Dojo
Its levels cost Mahogany Logs. Later levels also cost Rosewood Logs (from level 20), Pine Logs (from level 40) and Maple Logs (from level 60).
Ranks
| 1 | 10  Black Pearl 5,000 Ectoplasm50 Stardust | Current total Skill Trigger #: 50,000,000 |
| 2 | 100 Black Pearl 50,000 Ectoplasm500 Stardust250 Void Egg | Current total Skill Trigger #: 200,000,000 |
| 3 | 2,000 Black Pearl 1,000,000 Ectoplasm250,000 Stardust250,000 Void Egg | Current total Skill Trigger #: 1,000,000,000 |
| 4 | 10,000 Black Pearl 10,000,000 Ectoplasm1,000,000 Stardust1,000,000 Void Egg | Current total Skill Trigger #: 10,000,000,000 |
| 5 | 1,000,000 Black Pearl 10,000,000 Void Egg10,000,000 Stardust | Current total Skill Trigger #: 50,000,000,000 |
Bonuses
| Level 10 | Skill Cast Speed + 10% |
| Level 20 | Preserve Skill Passive Effects upon rebirthing |
| Level 30 | Skill Cast Speed + 20% |
| Level 40 | Global Skill Slot + 1 |
| Level 50 | Skill Cast Speed + 30% |
| Level 60 | Once a skill reaches minimum cast time, 25% of excess speed will be converted into extra hits |
| Level 70 | Skill Cast Speed + 40% |
| Level 80 | 50% of excess speed will be converted into extra hits |
| Level 90 | Skill Cast Speed + 100% |
| Level 100 | 100% of excess speed will be converted into extra hits |
| Rank 1 | Max Skill Rank + 10 |
| Rank 2 | Max Skill Rank + 20 |
| Rank 3 | Max Skill Rank + 30 |
| Rank 4 | Max Skill Rank + 40 |
| Rank 5 | Max Skill Rank + 50 |
Research
Same for all 3: Per level:+1%
 Stone | Armored Fury |
 Crystal | Warded Fury |
 Leaf | Critical Damage |
History
Changes to this building across game updates.
- Ranks
- −1 · 10 Black Pearl 5,000 Ectoplasm 50 Stardust · Total Skill Trigger #: 50,000,000
- −2 · 100 Black Pearl 50,000 Ectoplasm 500 Stardust 250 Void Egg · Total Skill Trigger #: 200,000,000
- −3 · 2,000 Black Pearl 1,000,000 Ectoplasm 250,000 Stardust 250,000 Void Egg · Total Skill Trigger #: 1,000,000,000
- −4 · 10,000 Black Pearl 10,000,000 Ectoplasm 1,000,000 Stardust 1,000,000 Void Egg · Total Skill Trigger #: 10,000,000,000
- −5 · 1,000,000 Black Pearl 10,000,000 Void Egg 10,000,000 Stardust · Total Skill Trigger #: 50,000,000,000
- +1 · 10 Black Pearl 5,000 Ectoplasm 50 Stardust · Current total Skill Trigger #: 50,000,000
- +2 · 100 Black Pearl 50,000 Ectoplasm 500 Stardust 250 Void Egg · Current total Skill Trigger #: 200,000,000
- +3 · 2,000 Black Pearl 1,000,000 Ectoplasm 250,000 Stardust 250,000 Void Egg · Current total Skill Trigger #: 1,000,000,000
- +4 · 10,000 Black Pearl 10,000,000 Ectoplasm 1,000,000 Stardust 1,000,000 Void Egg · Current total Skill Trigger #: 10,000,000,000
- +5 · 1,000,000 Black Pearl 10,000,000 Void Egg 10,000,000 Stardust · Current total Skill Trigger #: 50,000,000,000
- Ranks