Badges update automatically and link to the mod page on MineUniverse.

https://www.curseforge.com/minecraft/mc-mods/bad-wither-no-cookie-reloaded
A lightweight universal mod to silence these nasty world wide broadcast sounds:
This is especially handy on servers where spawners and/or farms are in use for these mobs. This mod can be installed on a client even if it is not on the server.

Block wither spawn, end dragon death, lightning, thunder, other sounds you care to configure
[1.16.1+] also blocks wither death, wander_trader and llama ambient sounds as well as wither death
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Code, Textures and binaries are licensed under the MIT License.
You are allowed to use the mod in your modpack.
Any alternate licenses are noted where appropriate.