0-liter 1: 0-star main card + 0-star secondary card, success rate 100% (this secondary card is optional, it is a bit wasteful to use cards with high success rate, generally choose flour bag, coffee watering can, mouse trap, Low-level cards such as oil lamps, steel wire balls, and ice bucket bombs)

1 to 2: 1-star main card + 0-star secondary card, success rate 88% (this secondary card can also be used casually, use low-level cards The success rate is 72%, and using a high-success-rate card is 88%. The probability of failure is very small, which is a bit wasteful.

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2 to 3: 2-star main card + 1-star secondary card, success rate 79%

3-to-4: 3-star main card + 2-star secondary card + 1-star secondary card + level 1 four-leaf clover, success rate 83%

4 to 5: 4-star main card + 3-star secondary card + 3-star secondary card + 2-star secondary card + level 2 four-leaf clover, successful The rate is 86% (you can also add level 2 clover to 4+3+2+2, the success rate is 79%)

5 to 6: 5-star main card + 4-star secondary card + 3-star secondary card +3-star secondary card + level 3 four-leaf clover, success rate 78%

6 to 7: 6-star main card + 5-star secondary card + 5-star secondary card + 4-star secondary card + level 4 four Leaf clover, success rate 79%

7 to 8: 7-star main card + 6-star secondary card + 6-star secondary card + 6-star secondary card + level 4 four-leaf clover + amulet, success rate 70 %

8 to 9: 8-star main card + 7-star secondary card + 7-star secondary card + 7-star secondary card + level 4 four-leaf clover + amulet, success rate 44%

< p>9 to 10: 9-star main card + 9-star secondary card + level 4 four-leaf clover + powerful divine blessing talisman, success rate 27% (to strengthen the level 10 card requires the guild synthesis house level 3)