Dim Tree - Falling Through Map

Bug Name:

Dim Tree - Falling Through Map​

Bug Description:

So, upon killing Dim Tree. I was using the Mystics Dash + Q combo, and fell through the map. Not only did I miss out on getting loot from the Boss, but even upon restarting the game and what not, I am still under the map and can't do anything. I have proof if you guys need it, but I honestly don't know what to do.​

How to reproduce/proof:

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I was on Channel 4 btw. Anyway to regain the loot that i missed out on?