- Skill tree
- Poison and Bone Spells
- Required level
- 24
- Max level
- 8
At max level
Bone walls cage the 3 toughest monsters near you for 4.9s, bosses too (act bosses half as long)
Scaling by level
Values for a new hero without gear or synergies, as the game works them out. DPS is the game's own estimate across every hit of a cast.
| Level | Effect | Cooldown |
|---|---|---|
| 1 | Bone walls cage the toughest monster near you for 2.5s, bosses too (act bosses half as long) | 8s |
| 2 | Bone walls cage the toughest monster near you for 2.9s, bosses too (act bosses half as long) | 7.44s |
| 3 | Bone walls cage the toughest monster near you for 3.2s, bosses too (act bosses half as long) | 6.92s |
| 4 | Bone walls cage the 2 toughest monsters near you for 3.5s, bosses too (act bosses half as long) | 6.43s |
| 5 | Bone walls cage the 2 toughest monsters near you for 3.9s, bosses too (act bosses half as long) | 5.98s |
| 6 | Bone walls cage the 2 toughest monsters near you for 4.3s, bosses too (act bosses half as long) | 5.57s |
| 7 | Bone walls cage the 3 toughest monsters near you for 4.6s, bosses too (act bosses half as long) | 5.18s |
| 8 | Bone walls cage the 3 toughest monsters near you for 4.9s, bosses too (act bosses half as long) | 4.81s |
Synergy for
| Name | Per level |
|---|---|
 Teeth | 15% |
 Bone Spear | 7% |
 Bone Spirit | 6% |