Perhaps the most discussed aspect of Season 6 was the introduction of , which replaced the traditional Solo/Duo Queue.
The 2015 World Championship (which led into this season) showcased record-high champion diversity, with 74 unique picks, despite the dominance of "juggernauts" like Mordekaiser and Gangplank . Season 62015
The old mastery system was overhauled to include powerful "Keystones," such as Thunderlord’s Decree and Grasp of the Undying , which significantly impacted champion power spikes. 2. Major Features and Innovations Perhaps the most discussed aspect of Season 6
The Rift Herald was introduced as an early-game objective in the Baron pit to encourage more action on the top side of the map. High-level players and the broader community criticized it
Mid-way through the season, the static Dragon buff was replaced by four elemental drakes (Infernal, Mountain, Cloud, Ocean), adding strategic variance to every match.
High-level players and the broader community criticized it for compromising competitive integrity, as solo players often faced coordinated four or five-man premades.
Riot introduced "Turret First Blood" and reduced symmetry in tower defenses to discourage the "lane-swap" meta that had become stale in professional play.