I don’t know, it still doesn’t communicate anything solid from the dagger.

The Sith fortress on Exegol is hidden from the light. Surrender to the darkness within to find the way. To the wielder’s dark nature, only this blade tells.

Or something like that. Stated bluntly, to emphasize the gist trying to be conveyed:

Exegol can’t be found by light side use. You have to give in to your dark side to find the Wayfinder. This blade tells, but only addresses your darker nature (so get in touch with it and let it grow ears).