A very cool shader about making minecraft even more beautiful. A vanilla-like pack by PyroFetch featuring colored lighting and shadows, tuned for medium-tier hardware and better. Compatible with Iris and OptiFine across Minecraft 1.20 – 26.2. Licensed MIT, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install IrisDESCENT

1. 1Install a shader loader for Minecraft 1.20 – 26.2 — Iris (pairs with Sodium) or OptiFine. IrisDESCENT is a shaderpack, so it needs a loader to run.
2. 2Download the IrisDESCENT .zip from the button above — keep it zipped. It is mirrored on MineSpecs, so there is no ad-gate or redirect.
3. 3Drop the .zip into your .minecraft/shaderpacks folder (%appdata%\.minecraft\shaderpacks on Windows, ~/Library/Application Support/minecraft/shaderpacks on macOS).
4. 4Launch the game, open Options → Video Settings → Shaders, and select IrisDESCENT.

First time? How to install Minecraft shaders

Performance & what to expect

IrisDESCENT is rated medium performance impact. It wants a mid-range dedicated GPU. Drop render distance a few chunks if you fall below 60 FPS. It renders colored lighting and shadows.

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IrisDESCENT is created by PyroFetch and mirrored here under its MIT licence. MineSpecs is an unofficial fan project and is not affiliated with PyroFetch, Mojang Studios or Microsoft.