Episodes 109-110 - Dragon Ball Super - Anime News Network
No, UI Omen is not from the Kefla fight. He's from the first time he goes Ultra Instinct against Jiren. The pose is the exact same. Dragon Ball Super Episode 110 :
Hype on Twitter: "It's October 8 in Japan, Five Years Ago Today Dragon Ball Super Episode 109 & 110 aired! Good Times. https://t.co/OZSasRBK44" / Twitter