Mastery Stone
Grade
- B
Units summoned
- 1
Unit grade odds
Chance per unit the stone spin summons
Normal
- 60%
Advanced
- 30%
Rare
- 9%
Legendary
- 0.8%
Prism
- 0.2%
Unlock
Quests
One of these is assigned to the stone's card
- 9 slot wins within 8 wavesMedium difficulty
- Promote 2 units to 2-star within 8 wavesMedium difficulty
- Raise an imprint to level 3 within 5 wavesMedium difficulty
- 4 wins in a rowMedium difficulty · No deaths
- 4 wins in a rowMedium difficulty · Team ends at HP 70%+ total
- 8 wins in a rowMedium difficulty · No Nudge
- 8 wins in a rowMedium difficulty · No shop use
- 4 wins in a rowMedium difficulty · No absorption
- 3 Nudge wins within 8 wavesMedium difficulty
- 4 wins in a rowMedium difficulty · Start battles with Gold 1,000+
- 3 slot wins in one waveMedium difficulty
- Beat the next JudgmentMedium difficulty · No deaths
- Beat the next bossMedium difficulty · Up to 4 units, 1 death max
- Beat the next bossMedium difficulty · With 2+ units at 2-star or higher
- Beat the next JudgmentMedium difficulty · Up to 3 units
- Beat the next JudgmentMedium difficulty · 3+ units, one family only
- 3 wins in a rowMedium difficulty · 1+ faction synergy active
- Win 2 lines in one spin within 8 wavesMedium difficulty