Here is the full list of all 12 inVokeR achievements.
Look at Rynn for 30 minutes.
Win 50 battles.
Play through all the tutorials.
Win 10 battles using Fire robes.
Win 10 battles using Ice robes.
Win 10 battles using Earth robes.
Win 10 battles using Wind robes.
Play an online match without casting any spells.
Break 500 Free Practice targets.
View the credits.
Break 50 targets in Time Attack Target Break Archmage difficulty.
Win 5000 battles