Here is the full list of all 17 Beater Spirit achievements.
Get last silver costume.
Get last silver hairstyle.
Get last bronze costume.
Get last bronze hairstyle.
Get last gold hairstyle.
Get last gold weapon.
Get last gold costume.
Reach 20 level and open gold tokens.
Play 60 matches.
Get last silver weapon.
Kill 50 slugs.
Kill 50 bats.
Kill 50 skeletons.
Play 30 matches.
Dead 20 times.
Get last bronze weapon.
Play 10 matches.