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Patch 12.06 brings updated visuals and sound effects to the Victory, Defeat, and Draw end-of-game screens. It’s a cosmetic-facing change, but one that players will see at the end of every session.
The headlining balance change in 12.06 is a nerf to Waylay’s Saturate ability. Riot has changed it from an INSTANT cast to an EQUIP.
The reasoning: while Riot are happy that Waylay has found her role in team compositions, Saturate was creating situations with little to no counterplay. Specifically, Waylay was able to combo her abilities to safely target players with Saturate for teammates to follow up on, with almost no risk to herself. Riot’s design intent is that Duelists play best when risk falls primarily on them, not on the enemies or teammates around them.
By shifting Saturate to an EQUIP, Waylay can no longer Hinder enemies instantly while airborne or reactively on contact without greater risk to herself. The intent is to push Waylay toward coordinating with her team to mitigate her own risk, rather than using Saturate as a low-risk setup piece.
Change:

Riot has made backend technical improvements to Viper’s Pit. Most players are unlikely to notice a dramatic difference, but the goal is more consistent behavior for the chemical cloud and the removal of any possibility of a failure to cast — particularly on certain sections of specific maps. Riot called out Haven A Tower and Icebox A Pipes as examples of areas where the improvement will be noticeable.
Change:
Since Flex launched over a year ago, player feedback has consistently flagged one friction point: Flex uses Ability movespeed rather than Melee movespeed, with Ability movespeed sitting at 90% of Melee movespeed. Players have reported being hesitant to equip Flex out of fear of accidentally activating them mid-round via a misclick — effectively self-nerfing their movespeed at a critical moment.
After testing, Riot is rolling out the fix with competitive integrity guardrails in place (all Flex will follow competitive integrity guidelines in third-person).
Change:
Riot is enabling Push-model Replication as a server-side optimization, intended to deliver performance gains and unlock future improvements. No changes to the game client are expected, but Riot has asked players to flag anything unusual.


Patch 12.06 is a focused update with implications for the meta. The Waylay nerf is the most significant competitive change, directly addressing the low-risk, high-reward patterns that emerged around Saturate. Viper’s Pit getting a backend pass should quietly improve consistency for one of the game’s most iconic ultimates.


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