row #4：drain life → death magic → curse of mortality → death cloud
盗贼
rogue —— 盗贼系
row #1：dirty fighting → combat movement → coup de grace → feign death
row #2：below the belt → deadly strike → lethality → evasion
row #3：deft hands → improved tools → mechanical expertise → device master
row #4：stealth → stealthy item use → combat stealth → master stealth
