Thank you for your opinion! You are right his passive has to be more limitied but interactive with the enviroment, he is a shaman afterall. His ultimate has 3 ultimates depending on how many totems he has, having 0 or 1 is easy but to have 2 totems already u have to position your previous ultimate totem away from enemies and keep it safe until you can cast your ultimate again after its cooldown (There is counterplay). To fix the kill from far away issue i would replace impact damage with slight slow or nothing but the passive buffs of the totem, i think its okay like this if you compare it to Senna's ultimate. The champion is usualy alongside his 1 primary totem, his gameplay forces you to adapt and think of combos similar to Aphelioses. For example: Summoning Thunder Totem at lv2, leveling up, switching to Bull stance, recall thunder totem for root then hit stun with his Q and possibly dive if necessary with shield he gets from his E in Bull stance.
It's basicly Overloaded Oriana. Keep in mind that his abilities cost higher than normal and he has limited mana pool (like cho'gath).