Here is the full list of all 17 Heroes of SoulCraft - there are Arcade MOBA achievements.
You reached level 3
You got your first win
You got 10 wins
You got 100 wins
You got 1000 wins
You reached level 10
You reached level 20
You reached level 30
You reached level 50
You reached level 100
You reached level 200
You reached level 500
You reached level 1000
You got 10 kills
You got 100 kills
You got 1000 kills
You got 10000 kills