Select the SEUS pack from the in-game list to activate it.
A reinvention of the legacy SEUS versions designed to provide high-quality visuals using traditional rendering methods, resulting in better performance than the PTGI version. Version 1.18 Enhancements (PTGI HRR 3) SONIC ETHER’S SHADERS 1.18 - SEUS
Get the version corresponding to Minecraft 1.18 from the OptiFine website and install it. Select the SEUS pack from the in-game list to activate it
Acquire the shader files from the official SEUS website or the Sonic Ether Patreon . Acquire the shader files from the official SEUS
Sonic Ether’s Unbelievable Shaders (SEUS) for Minecraft 1.18 includes two primary versions: for balanced performance and SEUS PTGI for advanced ray tracing effects. For the 1.18 update, specifically SEUS PTGI HRR 3 was optimized to support larger cave structures and new blocks like candles and glow lichen. Core Versions for 1.18
Open Minecraft, navigate to Options > Video Settings > Shaders , and click Shaders Folder . Move the downloaded .zip file into this folder.