Sonic Etherвђ™s Shaders 1.18 - Seus -
An experimental shader that uses software-based ray tracing to deliver realistic lighting and reflections without requiring an RTX-specific graphics card.
Requires OptiFine HD U H4 or newer for Minecraft 1.18.1. SONIC ETHER’S SHADERS 1.18 - SEUS
Updated to support 1.18's increased world height and massive cave structures by extending ray lengths. An experimental shader that uses software-based ray tracing