Solution

from church, go s,8w,ne,4n,w,n,d,3n,2w,2n,kill bear,get black heart,2s,2e,3s,climb cliff,2u,give black heart to man,open chaos,read chaos,e,e,n,u,e,d,jump garbidgepit,enter slit,type: tree house

Quest solved. About 7%. (subject to change w/o warning)