Choose faction: Egypt | Greece | Indian | Magic | Natulka | Norsemen | Persian | Romans | Tech
 | Energy Sharpening |
 | |
| Type: | Upgrade |
| Creation: | Upgraded by Library |
| Total Cost: |  250 200 150 |
| Production Time: | 400 |
| Increase Attack Strength: | +50 |
| Increase Attack Range: | +1 |
| Increase Move: | +10 |
| Affects Units: | Initiate, Battlemage, Summoner, Dragon Rider, Archmage |
| Needed to build 'Energy Sharpening': | Library |
