From GameWatcher: “League of Legends Patch 12.2 kicks off 2022 with a massive amount of new skins. Players can provide feedback on as many as 15 new looks for existing champions, belonging to multiple different lines.
On the PBE, players can try out Crystal Rose Akshan (1350 RP), Crystal Rose Janna (1350 RP), Withered Rose Elise (1350 RP), Withered Rose Zeri (1350 RP), Firecracker Sett, Firecracker Teemo, Firecracker Xin Zhao (1350 RP), Firecracker Tristana, Firecracker Diana, Porcelain Protector Ezreal (1820 RP), Porcelain Amumu, Porcelain Lissandra (1350 RP), Porcelain Kindred, Porcelain Lux, Porcelain Lux Prestige Edition, and Brave Phoenix Xayah Prestige Edition.”
Source: N4G PC League of Legends Patch 12.2 – Release Date, Zeri, the Spark of Zaun, Porcelain, Firecracker Skins