Terraria: Calamity Mod (2016)

The Calamity Mod is a large content mod for Terraria which adds many hours of endgame content and dozens of enemies and bosses dispersed throughout the vanilla game's progression. The Calamity Mod also features several harder difficulty modes, five new biomes and new structures, a new class, a new leveling mechanic, more than thirty new songs, over fifty recipes for previously uncraftable vanilla items and other assorted changes to vanilla gameplay.

Gamers must download Terraria “Calamity” mod – Mountain Echo

Return To Slime Terraria Calamity Mod - song and lyrics by DM

Replying to @Enter Nickname this took me a while but heres the ost

PC Gamer on X: The best Terraria mods

tModLoader - Calamity Mod Terraria Community Forums

Terraria 16x, 1.16.5 Minecraft Texture Packs

Calamity mod for Terraria - Download

Terrarie Calamity - Colaboratory

tModLoader - Calamity Mod Terraria Community Forums