Confirming that Wei Wuxian is on hand to direct energies and/or calm them down/control flow: he's not looking to absorb them, which hopefully keeps him out of the magical absorption category up above, largely because he doesn't trust these energies and has no storage device.
His is musical and from a distance, and while he won't be trying to do anything with the mirror, he can try to funnel out as much of the spirit buildup as he can get through the cracked mirror while others are trying to resolve its issue.
He will however probably recommend they don't make a cap, but a slow release, because otherwise this will happen again in the future. Eventually the pressure gets too high. (So yeah his focus is on the spirits and getting them out and HUSBAE WHERE ARE YOU TO HELP CLEANSE THEM AND SEND THEM ON HUH) ahem but yes!
what about a cap with
His is musical and from a distance, and while he won't be trying to do anything with the mirror, he can try to funnel out as much of the spirit buildup as he can get through the cracked mirror while others are trying to resolve its issue.
He will however probably recommend they don't make a cap, but a slow release, because otherwise this will happen again in the future. Eventually the pressure gets too high. (So yeah his focus is on the spirits and getting them out and HUSBAE WHERE ARE YOU TO HELP CLEANSE THEM AND SEND THEM ON HUH) ahem but yes!