提案/Suggestion
Give the possibility, After the First attivation, tò choose the bonus any time switching between available possibilities. For instance, at weapon level 10 switch between Bonus Attack, affinity, elemental Bonus.
現状/Current Status
When you improve a weapon of a varcopotentiated Monster each 5 level you can select an abilities spending varcopotentiated shards. After selection if you want tò change the abilities you must spend material again even if you can not stack the abilities (One Bonus at a time).
