its inside the cave. go along the right till the end and you see the torch that gives knowledge.just turn around abit and you see the painting
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Anonymous 23-03-2016 10:35
Not precise enough since there are several torches that give knowledge. Take the right path and just BEFORE you enter the large summon room with the bonfire. If looking toward the bonfire, the torch he is talking about is on the right and the small boulder with the mural is to the left.
Not sure if this matters but I could not find it till I clicked on the goblin torch, small fire pit and the fire pit in the summoning circle. It acted like I had to have that knowledge before I could click on the mural... or else it just bugged like that for me