A new game-breaking bug has surfaced in League of Legends, and players are warning others to protect themselves until Riot fixes it. The bug was first reported by professional player and streamer Marks “Drututt” Przychodzień, who shared the exploit on Twitter — and it’s already causing chaos in live matches.
How the bug works
According to Drututt’s post, the exploit is tied to streamer mode and emote visibility. If a player has streamer mode enabled and flashes their mastery emote, it can cause any nearby player with emotes enabled to instantly disconnect (D/C). The worst part? The player triggering the bug does not crash, meaning they can spam the exploit repeatedly to force opponents out of the game.
“If you have streamer mode enabled and you flash your mastery, anyone who has emotes enabled will get DCD, and you can just do that non-stop without you crashing.”
— Drututt on Twitter
How to protect yourself
Until Riot rolls out a hotfix, the best workaround is to disable emotes in your settings immediately. Doing so prevents your client from rendering the mastery flash animation that triggers the disconnect.
Here’s what you can do:
- Go to Settings > Interface > Emotes
- Turn off Enable Emotes
- Restart your client before queueing up again
This should protect you from being disconnected by anyone using the exploit.
Riot’s response
As of now, Riot Games has not released an official statement or patch addressing the bug, but it’s likely that an emergency fix will go out soon given the severity of the issue. Game-breaking bugs that can be triggered by any player, especially ones that disrupt entire matches, typically receive high-priority fixes.
This exploit is one of the most disruptive bugs seen in months, capable of crashing players and ruining games without warning. If you’re planning to play today, disable emotes until further notice and keep an eye on official Riot channels for updates.
For more League of Legends news, patch updates, and live bug coverage, visit LoLNOW.gg
Source: Drututt on Twitter
FAQ
What is the mastery emote bug
A glitch where flashing mastery while streamer mode is enabled can disconnect all nearby players who have emotes turned on.
How can I avoid getting disconnected
Disable emotes in the settings menu until Riot fixes the issue.
Who discovered the bug
Professional player and streamer Marks “Drututt” Przychodzień first reported the bug publicly on Twitter.
Does the exploit crash the player using it
No. The bug only disconnects opponents who have emotes enabled, allowing the exploiter to keep playing.
Has Riot confirmed a fix
Not yet, but a hotfix is expected soon given the game-breaking nature of the issue.






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