floor 100

I went to floor 100 for the Mr. qi quest and there actually wasn't a chest on that floor. I was told by others that there definitely should be a chest there. I'm in a co-op game where I play split screen. Does the other person need to get down to floor 100 too for it to give it to us, or is it...

I am a member on a multiplayer map, not the host, with 4 of us. I tried to get the stardrop in the mines while I had the fiberglass rod equipped, and accidentally left-clicked immediately after opening the chest which left me in the casting animation (I was able to get out of this quickly). The...