Precision Tool
Verified 2026 Engine Physics
一闪判定帧率与反应模拟器
实测你在 66 毫秒、45 毫秒与 33 毫秒超窄时间窗内的极限反应速度，无死伤备战修罗难度 Boss 决斗。
Interactive Wedge Tool
60 FPS Frame Sync
Issen (一闪) Counter Timing Simulator
Ready for Combat
Click Start to Duel
Watch for the white blade flash, then press SPACEBAR or click COUNTER immediately.
Reaction Window 66 ms (4F)
Last Offset -- ms
Streak 0
Success Rate 0%