

Read from their own skill text, quoted below. Not a meta ranking.
Spirit Channeling — At the start of battle, deals 90% ATK damage every second to the 5x5 area containing the target, and additionally deals damage equal to 60% of own max HP, lasting 2 seconds.
Spirit Channeling — At the start of battle, deals 90% ATK damage every second to the 5x5 area containing the target, and additionally deals damage equal to 60% of own max HP, lasting 2 seconds.