diff --git a/.gitea/workflows/sonarqube.yml b/.gitea/workflows/sonarqube.yml
index 2f481ea..a642d6e 100644
--- a/.gitea/workflows/sonarqube.yml
+++ b/.gitea/workflows/sonarqube.yml
@@ -41,7 +41,7 @@ jobs:
         run: |
             cd ./build-toolmode/Debug
             . ../../build-toolmode/build/Debug/generators/conanbuild.sh
-            LLVM_PROFILE_FILE="%p.profraw" xvfb-run ctest --output-on-failure
+            LLVM_PROFILE_FILE="%p.profraw%c" xvfb-run ctest --output-on-failure
             . ../../build-toolmode/build/Debug/generators/deactivate_conanbuild.sh
 
       - name: Clang-Tidy
diff --git a/Bigfoot/Sources/Utils/Include/Utils/Assert/Assert.hpp b/Bigfoot/Sources/Utils/Include/Utils/Assert/Assert.hpp
index ef74771..d3364c1 100644
--- a/Bigfoot/Sources/Utils/Include/Utils/Assert/Assert.hpp
+++ b/Bigfoot/Sources/Utils/Include/Utils/Assert/Assert.hpp
@@ -7,25 +7,21 @@
 #ifndef BIGFOOT_UTILS_ASSERT_HPP
 #define BIGFOOT_UTILS_ASSERT_HPP
 #include <Utils/Log/LogMacros.hpp>
+#include <Utils/TargetMacros.h>
 
 #if defined BIGFOOT_NOT_OPTIMIZED
 
+#include <EASTL/fixed_function.h>
+#include <EASTL/string.h>
+#include <fmt/format.h>
+
+#include <cstdlib>
 #include <source_location>
-#include <string>
 
 #if defined BIGFOOT_LINUX
 #include <csignal>
 #endif
 
-#define BIGFOOT_FLUSH_LOG                                                                                              \
-    do                                                                                                                 \
-    {                                                                                                                  \
-        if (Bigfoot::Singleton<Bigfoot::Log>::HasInstance())                                                           \
-        {                                                                                                              \
-            Bigfoot::Singleton<Bigfoot::Log>::GetInstance().Flush();                                                   \
-        }                                                                                                              \
-    } while (false)
-
 #if defined BIGFOOT_WINDOWS
 #define BREAK                                                                                                          \
     do                                                                                                                 \
@@ -42,39 +38,71 @@
     } while (false)
 #endif
 
+namespace Bigfoot
+{
+/**
+ * Assert then break
+ *
+ * \param p_condition The condition to check
+ * \param p_message A function that will return the formatting string describing the issue
+ * \param p_location The location the assert originates from
+ */
+template<typename HANDLER>
+BIGFOOT_ALWAYS_INLINE void AssertCheck(const bool p_condition,
+                                       const eastl::fixed_function<32, eastl::string()>& p_messageFn,
+                                       const std::source_location p_location = std::source_location::current())
+{
+    if (!p_condition) [[unlikely]]
+    {
+        HANDLER::Handle(p_location, p_messageFn());
+        BREAK;
+    }
+}
+
+/**
+ * Assert then break then kill
+ *
+ * \param p_condition The condition to check
+ * \param p_message A function that will return the formatting string describing the issue
+ * \param p_location The location the assert originates from
+ */
+template<typename HANDLER>
+BIGFOOT_ALWAYS_INLINE void CriticalAssertCheck(const bool p_condition,
+                                               const eastl::fixed_function<32, eastl::string()>& p_messageFn,
+                                               const std::source_location p_location = std::source_location::current())
+{
+    if (!p_condition) [[unlikely]]
+    {
+        HANDLER::Handle(p_location, p_messageFn());
+        BREAK;
+        std::abort();
+    }
+}
+}   // namespace Bigfoot
+
 #define ASSERT(HANDLER, p_assert, p_message, ...)                                                                      \
-    do                                                                                                                 \
-    {                                                                                                                  \
-        constexpr std::source_location location = std::source_location::current();                                     \
-        if (!(p_assert)) [[unlikely]]                                                                                  \
-        {                                                                                                              \
-            HANDLER::Handle(location, p_message __VA_OPT__(, ) __VA_ARGS__);                                           \
-            BREAK;                                                                                                     \
-        }                                                                                                              \
-    } while (false)
+    ::Bigfoot::AssertCheck<HANDLER>((p_assert),                                                                        \
+                                    [&]                                                                                \
+                                    {                                                                                  \
+                                        return eastl::string {                                                         \
+                                          fmt::format(p_message __VA_OPT__(, ) __VA_ARGS__).c_str()};                  \
+                                    })
 
 #define SOFT_ASSERT(HANDLER, p_assert, p_message, ...)                                                                 \
-    do                                                                                                                 \
-    {                                                                                                                  \
-        constexpr std::source_location location = std::source_location::current();                                     \
-        if (!(p_assert)) [[unlikely]]                                                                                  \
-        {                                                                                                              \
-            HANDLER::Handle(location, p_message __VA_OPT__(, ) __VA_ARGS__);                                           \
-            BREAK;                                                                                                     \
-        }                                                                                                              \
-    } while (false)
+    ::Bigfoot::AssertCheck<HANDLER>((p_assert),                                                                        \
+                                    [&]                                                                                \
+                                    {                                                                                  \
+                                        return eastl::string {                                                         \
+                                          fmt::format(p_message __VA_OPT__(, ) __VA_ARGS__).c_str()};                  \
+                                    })
 
 #define CRITICAL_ASSERT(HANDLER, p_assert, p_message, ...)                                                             \
-    do                                                                                                                 \
-    {                                                                                                                  \
-        constexpr std::source_location location = std::source_location::current();                                     \
-        if (!(p_assert)) [[unlikely]]                                                                                  \
-        {                                                                                                              \
-            HANDLER::Handle(location, p_message __VA_OPT__(, ) __VA_ARGS__);                                           \
-            BREAK;                                                                                                     \
-            std::abort();                                                                                              \
-        }                                                                                                              \
-    } while (false)
+    ::Bigfoot::CriticalAssertCheck<HANDLER>((p_assert),                                                                \
+                                            [&]                                                                        \
+                                            {                                                                          \
+                                                return eastl::string {                                                 \
+                                                  fmt::format(p_message __VA_OPT__(, ) __VA_ARGS__).c_str()};          \
+                                            })
 
 #else
 #define ASSERT(HANDLER, p_assert, p_message, ...)
diff --git a/Bigfoot/Sources/Utils/Include/Utils/Assert/AssertHandler.hpp b/Bigfoot/Sources/Utils/Include/Utils/Assert/AssertHandler.hpp
index 7c21081..e8b4b1d 100644
--- a/Bigfoot/Sources/Utils/Include/Utils/Assert/AssertHandler.hpp
+++ b/Bigfoot/Sources/Utils/Include/Utils/Assert/AssertHandler.hpp
@@ -11,7 +11,7 @@
 
 #if defined BIGFOOT_NOT_OPTIMIZED
 
-#include <fmt/format.h>
+#include <EASTL/string.h>
 
 #include <source_location>
 
@@ -32,15 +32,13 @@ class AssertHandler
      * Handle an assertion.
      *
      * \param p_location Location of the assertion.
-     * \param p_format Format string for the assertion message.
-     * \param p_args Arguments for the format string.
+     * \param p_message Message describing the assertion failure.
      */
-    template<typename... ARGS>
-    static void Handle(const std::source_location& p_location, fmt::format_string<ARGS...> p_format, ARGS&&... p_args)
+    static void Handle(const std::source_location& p_location, const eastl::string& p_message)
     {
         BIGFOOT_LOG_FATAL(LOGGER,
                           "Assert: {} (File:{}, Line:{}, Function:{}\n",
-                          fmt::format(p_format, std::forward<ARGS>(p_args)...),
+                          p_message,
                           p_location.file_name(),
                           p_location.line(),
                           p_location.function_name());
diff --git a/Bigfoot/Sources/Utils/Include/Utils/Log/LogMacros.hpp b/Bigfoot/Sources/Utils/Include/Utils/Log/LogMacros.hpp
index ba8eb39..08d3a10 100644
--- a/Bigfoot/Sources/Utils/Include/Utils/Log/LogMacros.hpp
+++ b/Bigfoot/Sources/Utils/Include/Utils/Log/LogMacros.hpp
@@ -10,6 +10,15 @@
 #include <Utils/Singleton.hpp>
 
 #if defined BIGFOOT_NOT_OPTIMIZED
+#define BIGFOOT_FLUSH_LOG                                                                                              \
+    do                                                                                                                 \
+    {                                                                                                                  \
+        if (Bigfoot::Singleton<Bigfoot::Log>::HasInstance())                                                           \
+        {                                                                                                              \
+            Bigfoot::Singleton<Bigfoot::Log>::GetInstance().Flush();                                                   \
+        }                                                                                                              \
+    } while (false)
+
 #define BIGFOOT_LOG_DEBUG(loggerName, fmt, ...)                                                                        \
     do                                                                                                                 \
     {                                                                                                                  \
diff --git a/Bigfoot/Sources/Utils/Include/Utils/TargetMacros.h b/Bigfoot/Sources/Utils/Include/Utils/TargetMacros.h
index 9c019b1..fceadb8 100644
--- a/Bigfoot/Sources/Utils/Include/Utils/TargetMacros.h
+++ b/Bigfoot/Sources/Utils/Include/Utils/TargetMacros.h
@@ -15,6 +15,12 @@
 #define BIGFOOT_WINDOWS_OR_LINUX(p_windows, p_linux) p_linux
 #endif
 
+#if defined BIGFOOT_WINDOWS
+#define BIGFOOT_ALWAYS_INLINE [[msvc::forceinline]]
+#elif defined BIGFOOT_LINUX
+#define BIGFOOT_ALWAYS_INLINE [[gnu::always_inline]] inline
+#endif
+
 #if defined BIGFOOT_OPTIMIZED
 #define BIGFOOT_OPTIMIZED_ONLY(...) __VA_ARGS__
 #define BIGFOOT_NOT_OPTIMIZED_ONLY(...)
diff --git a/Bigfoot/Tests/Engine/EngineTests/main.cpp b/Bigfoot/Tests/Engine/EngineTests/main.cpp
index 6645ee3..0a50313 100644
--- a/Bigfoot/Tests/Engine/EngineTests/main.cpp
+++ b/Bigfoot/Tests/Engine/EngineTests/main.cpp
@@ -13,6 +13,8 @@ int main(int argc, char** argv)
 {
     testing::InitGoogleTest(&argc, argv);
 
+    GTEST_FLAG_SET(death_test_style, "threadsafe");
+
     BIGFOOT_NOT_OPTIMIZED_ONLY(::Bigfoot::Singleton<::Bigfoot::Log>::Lifetime m_lifetime);
 
     return RUN_ALL_TESTS();
diff --git a/Bigfoot/Tests/System/SystemTests/main.cpp b/Bigfoot/Tests/System/SystemTests/main.cpp
index 6645ee3..0a50313 100644
--- a/Bigfoot/Tests/System/SystemTests/main.cpp
+++ b/Bigfoot/Tests/System/SystemTests/main.cpp
@@ -13,6 +13,8 @@ int main(int argc, char** argv)
 {
     testing::InitGoogleTest(&argc, argv);
 
+    GTEST_FLAG_SET(death_test_style, "threadsafe");
+
     BIGFOOT_NOT_OPTIMIZED_ONLY(::Bigfoot::Singleton<::Bigfoot::Log>::Lifetime m_lifetime);
 
     return RUN_ALL_TESTS();
diff --git a/Bigfoot/Tests/Tools/SasquatchBaker/SasquatchBakerTests/main.cpp b/Bigfoot/Tests/Tools/SasquatchBaker/SasquatchBakerTests/main.cpp
index ec88d0c..d8fe0b5 100644
--- a/Bigfoot/Tests/Tools/SasquatchBaker/SasquatchBakerTests/main.cpp
+++ b/Bigfoot/Tests/Tools/SasquatchBaker/SasquatchBakerTests/main.cpp
@@ -13,6 +13,8 @@ int main(int argc, char** argv)
 {
     testing::InitGoogleTest(&argc, argv);
 
+    GTEST_FLAG_SET(death_test_style, "threadsafe");
+
     BIGFOOT_NOT_OPTIMIZED_ONLY(::Bigfoot::Singleton<::Bigfoot::Log>::Lifetime m_lifetime);
 
     return RUN_ALL_TESTS();
diff --git a/Bigfoot/Tests/Utils/Assert/Assert.cpp b/Bigfoot/Tests/Utils/Assert/Assert.cpp
new file mode 100644
index 0000000..ad11a53
--- /dev/null
+++ b/Bigfoot/Tests/Utils/Assert/Assert.cpp
@@ -0,0 +1,33 @@
+/*********************************************************************
+ * \file   Assert.cpp
+ *
+ * \author Romain BOULLARD
+ * \date   September 2026
+ *********************************************************************/
+#include <Utils/Assert/AssertHandler.hpp>
+
+#include <UtilsTests/UtilsTestsLogger_generated.hpp>
+
+#if defined BIGFOOT_NOT_OPTIMIZED
+
+#include <gtest/gtest.h>
+
+namespace Bigfoot
+{
+using TestAssertHandler = AssertHandler<UTILSTESTS_LOGGER>;
+
+/****************************************************************************************/
+
+TEST(AssertDeathTest, Assert_ShouldTerminateTheProcessWhenTheConditionIsFalse)
+{
+    EXPECT_DEATH({ ASSERT(TestAssertHandler, false, "Something went wrong: {}", 42); }, "");
+}
+
+/****************************************************************************************/
+
+TEST(AssertDeathTest, CriticalAssert_ShouldTerminateTheProcessWhenTheConditionIsFalse)
+{
+    EXPECT_DEATH({ CRITICAL_ASSERT(TestAssertHandler, false, "Something critical went wrong: {}", 42); }, "");
+}
+}   // namespace Bigfoot
+#endif
diff --git a/Bigfoot/Tests/Utils/Assert/AssertHandler.cpp b/Bigfoot/Tests/Utils/Assert/AssertHandler.cpp
new file mode 100644
index 0000000..3c19238
--- /dev/null
+++ b/Bigfoot/Tests/Utils/Assert/AssertHandler.cpp
@@ -0,0 +1,63 @@
+/*********************************************************************
+ * \file   AssertHandler.cpp
+ *
+ * \author Romain BOULLARD
+ * \date   September 2026
+ *********************************************************************/
+#include <Utils/Assert/AssertHandler.hpp>
+
+#include <Utils/Singleton.hpp>
+
+#include <UtilsTests/UtilsTestsLogger_generated.hpp>
+
+#if defined BIGFOOT_NOT_OPTIMIZED
+
+#include <EASTL/string.h>
+#include <fmt/format.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <fstream>
+#include <source_location>
+#include <sstream>
+
+namespace Bigfoot
+{
+class AssertHandlerFixture: public ::testing::Test
+{
+  protected:
+    eastl::string ReadFileSinkContent()
+    {
+        Singleton<Log>::GetInstance().Flush();
+
+        std::ifstream file {std::string {Log::FILE_SINK_PATH.data()}};
+        std::stringstream buffer;
+        buffer << file.rdbuf();
+        return eastl::string {buffer.str().c_str()};
+    }
+};
+
+/****************************************************************************************/
+
+TEST_F(AssertHandlerFixture, Handle_ShouldLogAFatalMessageContainingTheGivenMessage)
+{
+    constexpr std::source_location location = std::source_location::current();
+    AssertHandler<UTILSTESTS_LOGGER>::Handle(location,
+                                             eastl::string {fmt::format("Something went wrong: {}", 42).c_str()});
+
+    EXPECT_THAT(std::string {ReadFileSinkContent().c_str()}, ::testing::HasSubstr("Something went wrong: 42"));
+}
+
+/****************************************************************************************/
+
+TEST_F(AssertHandlerFixture, Handle_ShouldLogAFatalMessageContainingTheSourceLocation)
+{
+    constexpr std::source_location location = std::source_location::current();
+    AssertHandler<UTILSTESTS_LOGGER>::Handle(location, "Doesn't matter");
+
+    const std::string content {ReadFileSinkContent().c_str()};
+    EXPECT_THAT(content, ::testing::HasSubstr(location.file_name()));
+    EXPECT_THAT(content, ::testing::HasSubstr(location.function_name()));
+}
+}   // namespace Bigfoot
+#endif
diff --git a/Bigfoot/Tests/Utils/UtilsTests/main.cpp b/Bigfoot/Tests/Utils/UtilsTests/main.cpp
index 6645ee3..0a50313 100644
--- a/Bigfoot/Tests/Utils/UtilsTests/main.cpp
+++ b/Bigfoot/Tests/Utils/UtilsTests/main.cpp
@@ -13,6 +13,8 @@ int main(int argc, char** argv)
 {
     testing::InitGoogleTest(&argc, argv);
 
+    GTEST_FLAG_SET(death_test_style, "threadsafe");
+
     BIGFOOT_NOT_OPTIMIZED_ONLY(::Bigfoot::Singleton<::Bigfoot::Log>::Lifetime m_lifetime);
 
     return RUN_ALL_TESTS();
diff --git a/CMake/CustomTargets.cmake b/CMake/CustomTargets.cmake
index ada8bd5..66807c4 100644
--- a/CMake/CustomTargets.cmake
+++ b/CMake/CustomTargets.cmake
@@ -3,11 +3,11 @@ add_library(BigfootCompileAndLinkFlags INTERFACE)
 target_compile_options(BigfootCompileAndLinkFlags INTERFACE
         $<$<CXX_COMPILER_ID:MSVC>:/W4 /WX>
         $<$<CXX_COMPILER_ID:Clang,GNU>:-Wall -Wextra -Wpedantic -Werror>
-        $<$<AND:$<BOOL:${COVERAGE}>,$<CXX_COMPILER_ID:Clang>>:-fprofile-instr-generate -fcoverage-mapping>
+        $<$<AND:$<BOOL:${COVERAGE}>,$<CXX_COMPILER_ID:Clang>>:-fprofile-instr-generate -fcoverage-mapping -fprofile-continuous>
 )
 
 target_link_options(BigfootCompileAndLinkFlags INTERFACE
-        $<$<AND:$<BOOL:${COVERAGE}>,$<CXX_COMPILER_ID:Clang>>:-fprofile-instr-generate>
+        $<$<AND:$<BOOL:${COVERAGE}>,$<CXX_COMPILER_ID:Clang>>:-fprofile-instr-generate -fprofile-continuous>
 )
 
 target_compile_definitions(BigfootCompileAndLinkFlags INTERFACE