Yasuo's prestige skin on the PBE looks to be taken from scrapped True Damage concept art : r/leagueoflegends
Surrender at 20: True Damage Akali, Ekko, Qiyana, Senna, and Yasuo
Check out the first League of Legends Louis Vuitton skins
Louis Vuitton Prestige True Damage Senna vs True Damage Senna Skins Comparison (League of Legends)
Official True Damage merchandise features adorable mini-figurines
League of Legends LOL True Damage Senna Women Hip-hop Cool Cosplay Costume
Surrender at 20: True Damage Akali, Ekko, Qiyana, Senna, and Yasuo
Skin Lines in League of Legends: True Damage
♥『League of Legends』♥ — True Damage Senna Prestige - Front & Back Preview
Riot partners with Louis Vuitton for luxury clothing line — get a Qiyana shirt for $670 - Inven Global