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