C345 King Arthur's Sword in the Stone
Lee Nock had no idea what the black wooden tablet was used for.
Apart from being hard, there was nothing special about the wooden tablet. It didn't have any reaction to the spiritual energy either, which meant that this thing had nothing to do with cultivation.
Therefore, he used this thing to borrow the gimmick of an "ancient relic" to coax Lin Feiyan to play with it