You'll also need to earn the Hero Ops assignments themselves-and each usually has a time limit in which it must be completed. Once complete, that hero is rewarded with XP and combat abilities. You don't complete these missions yourself, but instead assign a member of the team who will then be out of action for your main mission of the day. Intel is used to launch Hero Ops at CENTRAL. Transmuted into other Essence types in Agatha's Cauldron.Collectible orbs that spawn in the Abbey.If you've got an overabundance of a particular type of Essence, you can transmute it into a different kind at Agatha's Cauldron.

You'll need a specific amount of the corresponding Essence to upgrade cards of the same type, or to combine with blueprints to craft new versions of those cards. Attack Essence is for attack cards (the ones with the swords) Skill Essence is for skill cards (the ones with the shields) and Heroic Essence is for heroic cards (the ones with an orange number). As the primary resource for combat cards, Essence comes in three flavours-one for each of the card types in the game.

Shop heroes cauldron slot upgrade