Officially giving up on summoning a Lushen ever
https://imgur.com/a/zkdwR
1350 stones. One goal - Lushen
Summon 10: man, no lightning yet
Summon 20: seriously?
Summon 25: water undine
Summon 27: seriously, fuck this game.
TL;DR - 27 stone summons and water undine only lighting.