:
gain +4 max 
and +5% 
Recipe
Used in recipes
Elemental Whetstone recipe tree
Levels
Stat modifiers and ability milestones extracted from the game’s rare upgrade track.
| Level |  |  | Upgrade |
|---|---|---|---|
| 1 | 5 | 20 | Starting level |
| 2 | 10 | 50 | Effect data unavailable |
| 3 | 15 | 150 | Effect data unavailable |
| 4 | 25 | 400 | Effect data unavailable |
| 5 | 50 | 1,000 | Effect data unavailable |
| 6 | 80 | 2,000 | Effect data unavailable |
| 7 | 120 | 4,000 | Effect data unavailable |
| 8 | 160 | 6,000 | Effect data unavailable |
| 9 | 200 | 8,000 | Effect data unavailable |
| 10 | 240 | 10,000 | Effect data unavailable |
| 11 | 300 | 12,000 | Effect data unavailable |
| 12 | 400 | 15,000 | Effect data unavailable |
| 13 | 500 | 20,000 | Effect data unavailable |
| 14 | 600 | 25,000 | Effect data unavailable |
| 15 | — | — | Effect data unavailable |