As the first half of 2020’s Prestige skins has been fully released, today Riot Games has introduced 2 new skins: Yasuo Prestige and Soraka Prestige. Additionally, the new champion confirmed by Riot Games is Lillia, just as the community predicted in recent days as Lily or Lillia.
All the details were revealed through items in the upcoming League of Legends event:


The community suggests that Lillia will be introduced similarly to Sett, meaning players will receive the item “Lillia’s Haiku” upon completing a hidden quest in the game.
Lastly, there are 2 items (images not available) with the following content:
Soraka Prestige Skin – Coming in 2020
Yasuo Prestige Skin – Coming in 2020

Since Prestige skins are usually a “glamorous” version of the most recent skin or released alongside a new skin for that champion, the community believes Yasuo’s new Prestige skin could be Yasuo True Damage Prestige. However, given that this champion is beloved across many servers, especially in Vietnam, any Prestige skin for Yasuo is sure to sell very well.

As for Soraka’s Prestige skin, it is quite hard to predict since in her last skin release, Soraka had 2 skins: Soraka Divine & Soraka Demon. Therefore, it is highly likely that Soraka will have a new skin accompanying the Prestige version.