The Portal of Souls is used to sacrifice captured creatures' souls in order to obtain more powerful ones. Place the cards with the souls of the creatures you want to sacrifice on the altar and tap "Sacrifice" button.
Rarity Points Edit
Each rarity level is worth a certain amount of points:
- Common creatures are worth 1 point
- Uncommon creatures are worth 5 points
- Rare creatures are worth 25 points
- Epic creatures are worth 125 points
Legendary and Unique are not usable.
- 1 = 5 points
- 1 = 25 points
- 1 = 125 points
- 1 = 625 points