Bosses

Bosses are large, aggressive, resilient enemies that offer a substantial challenge to players. Defeating bosses is usually instrumental in advancing the game in some way. Each has its own particular way of being summoned, and warning messages appear whenever one is about to appear. Defeating a boss concludes with a congratulatory message and several items. Most of the bosses can pass through blocks, with exception of King Slime and Golem.

During Hardmode, each night has a one in two chance of spawning one of the three Mechanical Bosses that have not yet been defeated in the current world.

Pre-Hardmode Bosses
Are the ones you initially start the game with before you progress to certain mile stones (mostly defeating these).

Hardmode Bosses
Hardmode Bosses significantly harder upgrades of and new additions to previous bosses, Defeating them is usually instrumental in advancing the game in some way.

Each has its own particular way of being summoned, and warning messages appear whenever one is about to appear. Defeating a boss concludes with a congratulatory message and several items.

During Hardmode, each night has a one in two chance of spawning one of the three Mechanical Bosses that have not yet been defeated in the current world.

Lepus
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Lepus


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The Lepus is a large rabbit-like boss exclusive to the Mobile version of Terraria. It's summoned with a Suspicious Looking Egg at any time of day. During combat it lays two types of Easter Eggs: small ones that hatch Diseaster Bunnies and bigger ones that hatch another ,weaker, Lepus; these eggs can be damaged and destroyed by the player before hatching. A maximum of 5 Lepus can be spawned from the large eggs laid by the original Lepus.