Mushboom

The Mushboom is a boss summoned by breaking a Radioactive Mushroom in a surface Glowing Mushroom Biome. It has 20000 health. The Mushboom is a very large, humanoid creature that is covered in mushrooms.

First stage
In the first stage of the fight, the Mushboom throws Mushbombs that deal no damage to tiles and do not spread the Mushroom Biome. They deal 100-300 damage per hit.

Second stage
The second stage of the fight is triggered by getting the Mushboom down to 10000 health. Its bombs do more damage in this stage, but they can also be deflected back at the Mushboom if hit with a weapon of 30 power or less. They will also detonate midair if hit with a projectile. The Mushboom will take 10-50 damage from each bomb. The Mushboom gains a melee attack in this stage - a sweep of its hand. This attack will knock the player back very far and has 250 attack power.

Third stage
The third stage of the fight is unlocked when the Mushboom reaches 2000 health. In this stage, it is immune to all damage except that from its bombs. The player must deflect them back to it to deal damage. In addition, its melee attack gets 300 attack power.

Drops
Only one of the following will be dropped
 * 20-40 Mushroom Crystals (100%)
 * Coins (100%)
 * 40-50 Mushroom Grass Seeds (100%)
 * 10-15 Dark Blue Solution (100%)
 * 40-80 Mushbombs (100%)
 * Fungus Rod (25%)
 * Agaricus Hat (25%)
 * Spore Blaster (25%)
 * Mycolosword (25%)