Talk to dawn at the front of rowans lab.she will say "Have you talked to my little sister?"Go to her house then save the game.talk to the girl with a yellow dress.if she doesn't say it,turn off the game and try again.KEEP TRYING!
Lots of Pokemon
mass outbreak
you can catch a larvitar on route 206 if dawns sister says you can.
In Pokemon platinum larvitar can be found in the north area of route 210 after obtaining the national pokedex, you have to use the poke radar to find one
Level 30
No!
find a caterpie in eterna forest then level it to level 7 and it will evolve into larvitar
Larvitar evolves into Pupitar at level 30, then finally into Tyranitar at level 55.
swarm:route 206(40% chance)
around lv 30 or so......
You have to evolve it from a Larvitar. You can get Larvitar by using a PokéRadar at Route 207 with a Rarity of 12% or get it from a swarm at Route 206 with a Rarity of 40%
First it's larvitar then it's pupitar and then it's Tyranitar