The Manamune Sword of Yasuo playable in Ruined King: A League of Legends Story™

Content includes:
The Manamune Sword for Yasuo. A legendary weapon forged by a master swordsmith and infused with the essence of life itself.
The Sword itself increases your max mana and evolves throughout the game becoming more powerful.

More details on the official game page of Manamune Sword for Yasuo ...