1. how to improve element gems?where to get it?
2.how to improve kurotsuchi equipment to lvl 91?where to get it?
ty for responses

1. gems element don't improve, gems above on level can be received benefiting in competitions and events.
2. The set of Kurotsuchi can be improved having used rolls. Which can be acquired in shop of silver or to benefit in events. ссылка ссылка ссылка

ahh ok ty sir ^^