These are rare and elusive pearls that come in 4 types of colours and posses an aura (Defensive, Strength, Balanced and Magic) depending on what colour it is. Each aura has 2 different pearls, the regular one and the powerful one. Both can be used to evolve your heroes. They can only be obtained through the 'Pool of Wonders' or very rarely by a merchant who brings it to the shop in Emerald City. They are used as follows.
Red Pearl:
A Pearl that emanates a Defensive Aura. Used to evolve your heroes.
Lustrous Pearl:
A Powerful Pearl that emanates a Scorching Defensive Aura. Used to evolve your heroes.
Blue Pearl:
A Pearl that emanates a Strength Aura. Used to evolve your heroes.
Raw Pearl:
A Powerful Pearl that emanates an Overwhelming Strength Aura. Used to evolve your heroes.
Green Pearl:
A Pearl that emanates a Balanced Aura. Used to evolve your heroes.
Natural Pearl:
A Powerful Pearl that emanates a Divine Aura. Used to evolve your heroes.
White Pearl:
A Pearl that emanates a Magical Aura. Used to evolve your heroes.
Brilliant Pearl:
A Powerful Pearl that emanates a Glorious Magical Aura. Used to evolve your heroes.