NPC
Old One's Skeleton
- Enemy
Old One's Skeleton is a Terraria NPC. It shows up during this event: 
Old One's Army.
Bestiary entry
Rarity:
Small armies of these skeletons are summoned from the ground by Dark Mages, loyally serving their master's will.
- Invasions: Old One's Army
- Its banner:
Old One's Skeleton Banner - Spawned by: The Old One's Army
- Immune to:
Bleeding, 
Confused, Hemorrhage, 
Poisoned, 
Shimmering - Traits: Immune to lava
Stats by game mode
| Classic | Expert | Master | Legendary (For the Worthy) | |
|---|---|---|---|---|
| Life | 25 | 50 | 64 | 85 |
| Attack | 18 | 36 | 54 | 96 |
| Defense | 12 | 12 | 12 | 12 |
| Knockback Taken | 30% (Low) | 27% (Low) | 24% (Low) | 24% (Low) |
| Coins | No coins | No coins | No coins | No coins |
The last column is Master mode in a For the Worthy world.
Numbers are for one player, before Hardmode.
In a Hardmode world
In Expert and Master, Hardmode scales up weak enemies: those whose attack plus defense plus a quarter of life is under 80 (100 after Plantera).
| World | Life | Attack | Defense | Knockback Taken | Coins |
|---|---|---|---|---|---|
| Expert, In Hardmode | 110 | 64 | 24 | 27% (Low) | No coins |
| Master, In Hardmode | 140 | 96 | 24 | 24% (Low) | No coins |
| Legendary, In Hardmode | 187 | 170 | 24 | 24% (Low) | No coins |
| Expert, After Plantera | 110 | 64 | 24 | 27% (Low) | No coins |
| Master, After Plantera | 140 | 96 | 24 | 24% (Low) | No coins |
| Legendary, After Plantera | 187 | 170 | 24 | 24% (Low) | No coins |
2 variants
Classic
| Variant | Life | Attack | Defense | Knockback Taken | Coins |
|---|---|---|---|---|---|
| Variant 1 Size 100% | 25 | 18 | 12 | 30% (Low) | No coins |
| Variant 2 Size 100% | 480 | 70 | 22 | 20% (Low) | No coins |
Expert
| Variant | Life | Attack | Defense | Knockback Taken | Coins |
|---|---|---|---|---|---|
| Variant 1 Size 100% | 50 | 36 | 12 | 27% (Low) | No coins |
| Variant 2 Size 100% | 960 | 140 | 22 | 18% (Low) | No coins |
Master
| Variant | Life | Attack | Defense | Knockback Taken | Coins |
|---|---|---|---|---|---|
| Variant 1 Size 100% | 64 | 54 | 12 | 24% (Low) | No coins |
| Variant 2 Size 100% | 1,224 | 210 | 22 | 16% (Low) | No coins |
