Basic Info
| Field |
Detail |
| English Name |
Whetstone |
| Rarity |
Common |
| Character |
Common |
| Acquisition |
Regular combat rewards and chests |
| Overall Tier |
B |
Rating
A Common relic that instantly upgrades 2 random Attack cards in your deck on pickup. The immediacy means deck damage improves the moment you grab it. Attack-heavy decks benefit more, and a hit on a core Attack provides a very visible power bump.
Character-Specific Ratings
| Character |
Rating |
Notes |
| Ironclad |
B+ |
Attack-centric builds have many targets for strong value |
| Silent |
B |
Attack upgrades stabilize damage output |
| Defect |
B |
Attack upgrades add damage, but Power/Skill Focus keeps priority moderate |
| Necrobinder |
B |
Attack upgrades directly raise direct damage |
| Regent |
B |
Directly contributes to baseline Attack power |
Synergies
| Card / Relic |
Reason |
| War Paint |
Adds 2 Attacks plus 2 Skills for 4 total upgrades |
| Molten Egg |
New Attacks are auto-upgraded, extending the effect into the future |
| Shuriken |
Upgraded Attacks spam faster Strength stacking for snowballing damage |
Featured Builds
| Build |
Character |
| Strength Build |
Ironclad |