Here is the full list of all 30 RoShamBo achievements.
Beat out 1000 HP in battles.
Win 5 PvP battles.
Win 50 PvP battles.
Win 500 PvP battles.
Lose 7 PvP battles.
Lose 75 PvP battles.
Lose 500 PvP battles.
Win 3 fights against bosses.
Win 10 fights against bosses.
Win 25 fights against bosses.
Gain 100 teeth in battles.
Gain 3000 teeth in battles.
Gain 30000 teeth in battles.
Gain 2 inventory items.
Gain 4 inventory items.
Gain 6 inventory items.
Get character's level 8.
Get character's level 17.
Get character's level 25.
Beat out 20000 HP in battles.
Beat out 5000000 HP in battles.
Lose 3000 HP in battles.
Lose 70000 HP in battles.
Lose 5000000 HP in battles.
Reach league level: 200.
Reach league level: 500
Reach league level: 1000.
Earn tooth in spin: 500
Earn tooth in spin: 2000
Earn tooth in spin: 5000