My Deliriium rewards gone....

I was doing delirium on elder influence maps, you know the boss like to take you to other rooms when he on half healt bar or sometings. and my delirium reward just drop there on the other rooms where he take me. and now i can't get back there. i saw like a 100c clusters. damn this suck, the game was like 15 years old and stuff like this still happend T.T