Here is the full list of all 40 Trial of the Gods: Siralim CCG achievements.
Complete your first Realm.
Flip a card due to class advantage.
Flip 50 cards in battles.
Flip 100 cards in battles.
Flip 500 cards in battles.
Overkill 25 cards in battles.
Overkill 50 cards in battles.
Overkill 250 cards in battles.
Win 15 battles.
Win 50 battles.
Win 100 battles.
Reach level 5.
Reach level 25.
Reach level 50.
Flip 4 or more cards in one turn.
Win a battle with cards that are all the same class.
Win a battle while controlling every card on the board.
Own at least 6 Chaos cards.
Own at least 6 Death cards.
Own at least 6 Life cards.
Own at least 6 Nature cards.
Own at least 6 Sorcery cards.
Own every Chaos card.
Own every Death card.
Own every Life card.
Own every Nature card.
Own every Sorcery card.
Own every card.
Own every upgraded card.
Own every Godspawn.
Own every upgraded Godspawn.
Own every God card.
Own every upgraded God card.
Complete all Realms.
Complete all Hard Realms.
Defeat Aurum.
Defeat Aurum in Hard Mode.
Win 10 battles in Itherian Realms.
Win 25 battles in Itherian Realms.
Win 50 battles in Itherian Realms.