The long and narrow shape of the beams also indicate that these 100-year-old trees were grown alongside many other trees-- and maybe were even farmed with the intention of using the wood to build the Cathedral.
" The cave is warded. They cannot pass" . The ranger used his sword to point. " You can see the entrance there. Halfway up, between the weir-woods, that cleft in the rock" .
" But there is no pack, " she whispered to the weirwood. Bran and Rickon were dead, the Lannisters had Sansa, Jon had gone to the Wall. " I'm not even me now, I'm Nan" .
Before them a pale lord in ebon finery sat dreaming in a tangled nest of roots, a woven weirwood throne that embraced his withered limbs as a mother does a child.
" By all the gods of sea and air, and even him of fire, I swear it" . He placed a hand in the mouth of the weirwood. " By the seven new gods and the old gods beyond count, I swear it" .
" The sept is home to the new gods. The old gods live in the wood, and those who honor them say their words amongst the weirwoods. You know that as well as I."