Here is the full list of all 11 VALIANT KNIGHTS Typing Battle achievements.
Reached Level 10
Stage 100 cleared
Reached Level 50
Reached Level 100
Reached Level 200
Claudio attacked 100 times
Rudolf attacked 100 times
Alicia attacked 100 times
Dan attacked 100 times
Nacht attacked 100 times
Mirko attacked 100 times