[Gale casts an urgent glance in his friend's direction, then looks back towards his own double as he begins to trace another arcane shape in the air himself, his brow furrowed in concentration.]

You can certainly try— wizards aren't known for being good at close-combat. There might be a shield to deflect it, but I can only conjure those so often. Perhaps another shock of electricity if he's allowed to touch you, but nothing like what was thrown at us first.

[While the fake Gale does appear to be prepping another spell, the true Wizard of Waterdeep sends a sharp bolt of arcane energy in his direction, dampening the spell before it can be fired off.]

Interrumpere! If I assault you, what's likely to happen? I don't imagine you're keen on fire, given your affinity for plants.

[Just an educated guess.]