You can open the Chamber of Awakening in the Dimensional Vortex to farm materials.
Like the Chamber of Experience, it also has four stages. The types of awakening materials attainable vary by stage:
BGN - Requires 5 NRG. This stage offers a random assortment of basic awakening materials needed to awaken one to three star units.
INT - Requires 10 NRG. This stage offers a random assortment of uncommon awakening materials such as Heaven’s Ash, Sacred Crystal, and so forth.
ADV - Requires 15 NRG. This stage offers a random assortment of rare awakening materials such as God’s Reliquary, Holy Crystal, and so forth.
PRO - Requires 20 NRG. In this stage, higher types of awakening materials can be gathered for your 6★ units. There are random drops of rare materials such as Rainbow Bloom, Calamity Gem, Calamity Writ, Divine Crystal, etc.
Like the Chamber of Experience, it also has four stages. The types of awakening materials attainable vary by stage:
BGN - Requires 5 NRG. This stage offers a random assortment of basic awakening materials needed to awaken one to three star units.
INT - Requires 10 NRG. This stage offers a random assortment of uncommon awakening materials such as Heaven’s Ash, Sacred Crystal, and so forth.
ADV - Requires 15 NRG. This stage offers a random assortment of rare awakening materials such as God’s Reliquary, Holy Crystal, and so forth.
PRO - Requires 20 NRG. In this stage, higher types of awakening materials can be gathered for your 6★ units. There are random drops of rare materials such as Rainbow Bloom, Calamity Gem, Calamity Writ, Divine Crystal, etc.