Card effect
When your commander levels up, commander XP +2.
Skill
Ever-Changing Board
Yixing picks the row with the most enemies and draws a void chessboard; after 1.5 seconds it fully forms, dealing 100+50% magic attack as magic damage to enemies in the area.
Upgrades
10lv
Chessboard damage increased to 100+100% magic attack
40lv
While the chessboard lasts, enemies cannot move in or out of it
100lv
Chessboard duration extended to 5.5 seconds
Awakened card
Yixing
When your commander levels up, commander XP +4.
Neutral
When your commander levels up, commander XP +4.
How to obtain
Source: obtained from the shop, auctions and other channels