Without a doubt, these seven unowned seats are the prized Adamantine Cathedra of the Knights Temple.
Long Dangdang and Long Kongkong understood that from the moment they became the masters of the Adamantine Cathedra, they would no longer be the up-and-comers of the Knights Temple, but rather truly among its senior ranks.
"Paladin Commander, are all these Adamantine Cathedra the same?" asked Long Kongkong curiously.