Chương 1633: [Elemental Ascendance]

'Necros, and Volcanis, come out. It's time for your breakthrough to the Emperor Realm.'

Without wasting any time, Ajax summoned his two elemental spirits to use the newly diffused Darkfire Crystals.

'Ding,

 The host can use one Dark Crystal of any level to make a high-level king realm elemental spirit breakthrough to the Emperor Realm.

'Ding,

 The higher the grade of the Crystals, the more powerful it will become and the more benefits that elemental spirit will get.

Just as Ajax was about to think of using the Dark Crystals to increase the Dark Elemental Spirit's cultivation, he received two system notifications, making Ajax raise his brows.

'What?'

Ajax knew he could use the Darkfire Crystals to increase the cultivation of the Elemental Spirits directly; however, he didn't expect that they would be similar to how he uses the World Cores to increase his cultivation.