The Eater of Worlds is a pre-Hardmode Corruption-themed worm boss. It is summoned using Worm Food from within the Corruption and Underground Corruption, or by destroying 3 Shadow Orbs that spawn in Corruption-filled worlds.
“A massive worm who dwells in the corruption.” The Eater of Worlds is a pre-Hardmode Corruption-themed worm boss. It can be summoned when three Shadow Orbs are destroyed in a Corruption world, or when a player uses Worm Food anywhere in the Corruption or Underground Corruption biome.
The invitation drops after defeating The Infinite Hunger and following the quest steps. After finishing the the Eater of Worlds quest, tradeable versions of the Screaming Invitation will drop by the boss in the 28th T14+ Map which is influenced by the Eater of Worlds. This can be repeated every subsequent 28 maps.
Use the map device to add The Eater of Worlds influence to a tier 11+ map and defeat the map boss. The tier 11 map boss will drop a quest invitation Writhing Invitation, to initiate the boss fight against Infinite Hunger. Use the invitation in the map device to open the map and defeat the Infinite Hunger.
It is summoned using Worm Food from within the Corruption and Underground Corruption, or by destroying 3 Shadow Orbs that spawn in Corruption-filled worlds. It can be summoned at any time of day. Do note that Eater of Worlds shoots vile spit in Expert and Master mode.