Guide:Astrum Aureus strategies - Official Calamity Mod Wiki

Astrum Aureus is a Hardmode boss that is usually fought after defeating both Calamitas Clone and Plantera. Astrum Aureus can be spawned by using an Astral Chunk in the Astral Infection at night.

Astrum Aureus DEATH MODE! Terraria Calamity 1.5 Summoner Class Let's Play - Ep #14 (Draedon Update)

Astrum Aureus in Revengeance Mode! Terraria Calamity Let's Play #16

tModLoader - Calamity Mod, Page 814

I had such a hard time with Astrum Aureus : r/CalamityMod

I've been playing Calamity for a few months and found this in the dungeon. I don't know what it is and can't interact with it. What is it? It kind of looks

tModLoader - Calamity Mod, Page 754

Steam Community :: Guide :: The BEST Summoner Loadouts Against EVERY Boss

The Entropic God, Noxus - Calamity Mod Wiki

Tier list of every single calamity boss (with explanations)