Anyone Know Where This Grind Spot Is?

I don't have an exact location or even an approximate location, but my friend told me and some others about a very overpowered spot to grind combat xp but wouldn't tell us where it was (if it helps, he got around 50m xp in like 30 mins to an hour). Also I think it was around molten heights (not sure about this, but I think he was screensharing around the same time, but I might be wrong). Anyone know where it is? Sorry if this post isn't very good, I'm sort of new to Wynncraft.

 

Next time try to use the question subforums, right below this one, as for an answer be may he reffering to demon cave, is near the exit from the molten heights to the sky islands, i dont know the exact coordinatesbut you should see it around that area

 

50m in 30 mins isn't realistic, but u can try the northeast corner of the map. about halfway up molten heights there's a cave with a grindspot in.

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or that ^^