Bigfoot and Horseman

I hope you know that you are going to die.

We will all die, eventually.

Headless Horseman is most certainly not deadly to mages at that level, just so you know. I'd guess with two of you, it might take around half an hour, probably less if you have Composition or Thunder Spear at a good level and the Priest attacks sometimes. (For comparison, my level 129 friend solos HH in about five minutes using Chain Lightning; I soloed at level 76 and it took two hours.)

And to find the Crossroads, I recommend this: Phantom Forest Portals