Alright Prosers! Reapers back from hiatus so its time to give those noggins a flogging with another riddle challenge! Give us your best riddle, it can be one you heard or one you made up so long as there is a legitimate answer. Reaper will kick it off as always.
What am I
You might find it at the house of the shepherd and his sheep
Or you might find it where the lions sleep
More or less
Either it will kill you or bring you success.