Terraria Boss Checklist #24 - Leviathan (Expert mode)

Bosses in Terraria - Terraria Guide - IGN

tModLoader - Boss Checklist - In-game progression checklist., Page 15

Steam Community :: Guide :: Pre-Hardmode Checklist 1.4+

So, I was playing Calamity, and for some reason, some of the bosses I've already beaten got unchecked from the checklist? The ones I crossed out are the ones that got unchecked

Two errors occurring on multiplayer server · Issue #839 · tModLoader/tModLoader · GitHub

The Terraria Mod Iceberg

Bestiary - Terraria Wiki

Menu Music Toggle [Sonic The Hedgehog 2 Absolute] [Mods]

Top 5 Mods for tModLoader (January) - KeenGamer

What order should I beat Terraria bosses in, from the beginning