[He bites his lip, considering this. She does have a point, but...]

Sounds to me like you just need to get creative. Is that why you're out here doing this? [He waves a hand at the wall that she's been soaking through their entire conversation.] Trying to turn water into bullets or something? That's never gonna work. [As awesome as that would be.]

Water can do plenty of damage to people, but its most dangerous in large quantities. Couldn't you conjure a bubble of water around someone's head, or something? Drown them? [...] If you had to, I mean. We're talking defense.