1. Dark
I want a pokemon like Umbreon that can be a great wall, and be able to abuse Wish, and Gravity. Maybe a Curse, Trick Room Combo?? A pokemon that can wall and Sucker Punch attacks back. STAB'ed Pursuit and Sucker Punch is Smexy:naughty:.
2. Poison
Immunity to Toxic Spikes and Toxic, can't be taken advantage of by Low Kick or Grass Knot, and has a plethora of resistances. 'Nuff said.
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Well, I mainly want Dark type because of all the opportunities it can open, but Poison is also a great resisting type.