we can definitely brain storm some ideas on the why and the when! Nox isn't dumb, quite the opposite, but he does very much want to see the good in others and always kind of just assumed positive intent, especially with fellow witches and warlocks, so I could see him being like 'there is a good reason for this I'm sure' even if Nick's motives ever seemed slightly skewed. he's very good when it comes to healing spells and spellwork in general, terrible with potions, but if he thinks someone is ever in trouble he could be easily swayed under the guise of helping said person