[quote=@Fractured]
<Snipped quote by Caldizar>

*Nods*
So to recap, we’ll seal the dragon in the light barrier, and Lily will alter the spell to allow your magic in. We’ll need to make sure that it’s one-way to avoid getting hit by the dragon’s spells. We’ll shrink the barrier around the dragon until it burns itself out.
[/quote]

Sounds like a plan.