Riot introduced "Turret First Blood" and reduced symmetry in tower defenses to discourage the "lane-swap" meta that had become stale in professional play.
High-level players and the broader community criticized it for compromising competitive integrity, as solo players often faced coordinated four or five-man premades. Season 62015
Major reworks were applied to several ADCs to give them unique identities. Notable changes included Graves receiving his "shotgun" mechanic and Quinn gaining extreme mobility with Behind Enemy Lines . Riot introduced "Turret First Blood" and reduced symmetry