NPC
Illuminant Bat
- Enemy
- Underground Hallow
Illuminant Bat is a Terraria NPC. It spawns in this biome: 
Underground Hallow. It drops 3 items: 
Bat Bat, 
Apple Pie and 
Crystallize.
Bestiary entry
Rarity:
Blessed with the prismatic light of the Hallow, the Illuminant Bats are a vibrant pink blur arcing across the darkness of the Underground.
- Lives in: Underground Hallow
- Its banner:
Illuminant Bat Banner - Immune to:
Bleeding, Hemorrhage, 
Poisoned
Stats by game mode
| Classic | Expert | Master | Legendary (For the Worthy) | |
|---|---|---|---|---|
| Life | 200 | 400 | 600 | 800 |
| Attack | 75 | 150 | 225 | 400 |
| Defense | 30 | 30 | 30 | 30 |
| Knockback Taken | 75% (Med) | 67.5% (Med) | 60% (Med) | 60% (Med) |
| Coins |  5 | 12 50 | 1250 | 1750 |
The last column is Master mode in a For the Worthy world.
Numbers are for one player, before Hardmode.
Coins: each kill rolls from 80% to 175% of this value. Rarer extra rolls can add more.
Attacks
| Classic | Expert | Master | Legendary | |
|---|---|---|---|---|
| Touch damage | 75 | 150 | 225 | 400 |
Drops
Classic
| Item | Quantity | Chance | Kills for 50% | Kills for 90% | Conditions |
|---|---|---|---|---|---|
| Bat Bat | 1 | 1/100 (1%) | 69 | 230 | In a world made with The Constant seed |
| Apple Pie | 1 | 1/150 (0.67%) | 104 | 345 | Not from enemies spawned by a statue |
| Crystallize | 1 | 1/200 (0.5%) | 139 | 460 | |
| Bat Bat | 1 | 1/300 (0.33%) | 208 | 690 | Not in a world made with The Constant seed |
Expert
| Item | Quantity | Chance | Kills for 50% | Kills for 90% | Conditions |
|---|---|---|---|---|---|
| Bat Bat | 1 | 1/100 (1%) | 69 | 230 | In a world made with The Constant seed |
| Apple Pie | 1 | 1/150 (0.67%) | 104 | 345 | Not from enemies spawned by a statue |
| Crystallize | 1 | 1/150 (0.67%) | 104 | 345 | |
| Bat Bat | 1 | 1/300 (0.33%) | 208 | 690 | Not in a world made with The Constant seed |
Master
| Item | Quantity | Chance | Kills for 50% | Kills for 90% | Conditions |
|---|---|---|---|---|---|
| Bat Bat | 1 | 1/100 (1%) | 69 | 230 | In a world made with The Constant seed |
| Apple Pie | 1 | 1/150 (0.67%) | 104 | 345 | Not from enemies spawned by a statue |
| Crystallize | 1 | 1/150 (0.67%) | 104 | 345 | |
| Bat Bat | 1 | 1/300 (0.33%) | 208 | 690 | Not in a world made with The Constant seed |
Chance is per kill. Kills for 50% / 90% is how many kills give that chance of at least one drop.
