Either level them up, or get reviver seeds.
you can get a reviver seed so when you faint you'll waik up instant ly or trian yourself
make sure your partner knows water gun bubble or razor leaf/absorb if grass type
be a female, and pick pikachu for a partner
You can evolve all Pokemon except you and your partner.
you cant without ards
Nobody really knows but it seems like 1,000 I am having trouble beating him but it doesn't make sense because my starter is grass and my partner is water
Pikachu
Only in Explorers of Time you can be Eevee. I thought you (Hero or Partner) can be Eevee in Explorers of Sky.
you can get him from a partner or leader
yes there is
it depends what sex ur biggining Pokemon is
First, beat primal dialga. Then, you can play as any Pokemon you recruited including your partner.