The Onmyoji Arena December 30th Update sees The 5th Anniversary exclusive limited event, Temporal Grace, arrives.
The Onmyoji Arena December 23rd Update sees Ebisu's Christmas Carol series skin, Ode to Starry Bells, will be available in the Skin Shop.
The Onmyoji Arena December 16th Update sees Mannendake's Dream of Clouds series skin, Ethereal Sword, will be available in the Skin Shop.
The December 9th Update sees new Mage shikigami Inryo make his debut on the Heian-kyo battlefield.
The December 2nd Update sees Komatsu, Yamausagi, Ichimokuren, Zashiki, Mannendake, Oitsuki, Nekomata, and Yamakaze are free shikigami.