Quote ""I've downed 18 wolf spiders now according to peeping. and level 2 of Mithridatism still has not triggered."" ~ThumpieBunnyEve
Updates: I took a copy of the shared cloud save. played it solo, killed 5 wolf spiders, the Mithridatism lv2 finally unlocked this way. Now sharing that game instead.
Solved~sorta.