Did you know that Roblox has built in reflections? Set the material to glass, transparency above 5, add highlight and set the fill and outline transparency to 1. It works with any object (meshes, parts, you name it!)

Hidden Glass Distortion Effect (With Real Time Reflections) - Tutorial

Roblox: Realistic Ragdoll Physics ULTRA! Mode Carousel Code

Long delay with ragdoll in my combat system