NPC
Etherian Lightning Bug
- Enemy
Etherian Lightning Bug is a Terraria NPC. It shows up during this event: 
Old One's Army.
Bestiary entry
Rarity:
Lightning Bugs from Etheria aren't just named that for their pretty lights! These ones blast their foes with shocking bolts of electricity.
- Invasions: Old One's Army
- Its banner:
Etherian Lightning Bug Banner - Spawned by: The Old One's Army, tier 3
- Shoots: Laser Ray, Withering Bolt
- Immune to:
Confused, 
Shimmering - Traits: Immune to lava; Moves through blocks
Stats by game mode
| Classic | Expert | Master | Legendary (For the Worthy) | |
|---|---|---|---|---|
| Life | 500 | 1,000 | 1,275 | 1,700 |
| Attack | 80 | 160 | 240 | 426 |
| Defense | 36 | 36 | 36 | 36 |
| Knockback Taken | 80% (High) | 72% (Med) | 64% (Med) | 64% (Med) |
| Coins | No coins | No coins | No coins | No coins |
The last column is Master mode in a world made with the For the Worthy seed. Its numbers were measured in the game, not computed here.
For one player in a world before Hardmode. Expert and Master scale life, attack, knockback and coins by the game's own multipliers.
Inflicts
| Buff | On | Chance | Duration | Conditions |
|---|---|---|---|---|
 Withered Weapon | Players | 100% | 5 s | Unless the player has Journey godmode on |
