use an AR
im not sure
get it as your partner
you can get him from a partner or leader
You either have to be it or chosse it as your partner
any water type
From What I know I believe you can only get it as a partner or your main character in Pokemon Sky dungeon.
Totodile, with partner of Torchic
nope
Yes, he/she can be a starter or your partner.
Recruit them, Be one in the quiz or have one as you're partner.
get a fire type partner and a ground type as hero
Either Piplup, Torchic, or Chickorita.