Mechdusa - Terraria Wiki

Mechdusa is an early-Hardmode boss exclusive to the Everything Seed which is composed of all three mechanical bosses. It resembles a large serpentine-like creature composed of the three bosses: Skeletron Prime's head is attached to The Destroyer's head with two of its Probes serving as breasts, and The Twins are individually connected via tendrils to Skeletron Prime's eye sockets instead of to each other. Mechdusa can be summoned manually with Ocram's Razor anywhere at any time. It also has a 5*

Bosses - Terraria Wiki

According to the official Terraria lore, Skeletron is Cthulhu's

How to beat Terraria's secret boss (Mechdusa)

Mechdusa Boss Guide (All classes)

Terraria - Legendary Difficulty Mechdusa (Mechanical Bosses)

Bosses - Official Terraria Wiki

Terraria 1.4.4: How to Summon New Boss

Drawings & Paintings - Mechdusa

Empress of Light - Official Terraria Wiki

Exo Mechs - Official Calamity Mod Wiki

Secret world seeds - Terraria Wiki

Why can't i spawn mechanical bosses in terraria?

Mechdusa, UnAnything Wiki