Potion of Underground Awareness (Magical Liquid)

The imbiber of this potion gains abilities to aid in underground travels. These potions vary widely in the abilities conferred. A typical potion, which grants 1d4 abilities, lasts for 1d4+4 hours. 
Roll 	Skill conferred
01-04	Detect new tunnels/passages.
06-08	Detect grade or slope.
09-11	Determine direction of travel.
12-14	Determine depth underground.
15-16	Detect shifting walls/rooms.
17-18	Detect unsafe constructions.
19-20	Detect stonework traps/pits.
Category:Encyclopedia Magica Magic Items
Category:Magic Items
Category:Encyclopedia Magica Magic Potions
Category:Potions