Match ID: 23165991
Time: 4:57 & 25:30
On seven ult cast, everyone in the game complained about lag and needed to restart their client, with fps dropping further when looking in the direction of where it was cast.
Console showed repeated spew
[RenderSystem] Previous allocation with...
Try launching the game with -condebug in the launch options
It will log the console output to steamapps\common\Project8Staging\game\citadel\console.log
There may be something logged that shows the reason for crash.