Movement locket against graves as calico

[Mercury :3]

I was chasing graves. She ulted, then I ulted in response and walked into the grave, in which I got stuck. After that, I could not move in my ult anymore. When it ended, i could press abilities and jump, but my wasd keys were unresponsive. That was a slow and painful death.

Match ID: 53523749, around 19 minutes into the game.