Place it at the death moment in a Roblox edit, then follow it with the Roblox Oof sound for a second reaction beat in the same scene, keeping the death as the main event.
About this sound
This is the Roblox death sound titled Litany Grace Death, a short clip lasting about 4.7 seconds. The supplied facts do not describe the voice or effect in it, the feeling it gives a listener, or where it comes from, so no origin is given here.