Glass sets about peering at Celo. "I'll have to consult Marianne about permission but I don't think she'd mind - there's the question of how, if at all, you want the place signposted or warded, since people here won't be familiar with nymph fields - and - There will be magical interaction between nymph stuff and the forest, but I think it will be friendly interaction, I don't expect it to do you any sort of harm."