Lightning Torrent

Upon reaching 100 energy, Kyrioss flies to the center of the room and overcharges itself with lightning energy, inflicting variable Nature damage $?diff1|diff2[]$?diff8|diff23[and striking them with Grounding Bolt] periodically for a variable duration. Also unleashes 4 torrents of lightning. Touching these torrents inflicts variable Nature damage and stuns the target for a variable duration.