As the mounted enemies close in, Leela digs her pouch for some ... lint? No. Dust? No. Ah, there it is, an old eyelash. She knew it's come in handly. Throwing it in the air, she pronounces an incantation, and vanishes from sight.

Invisible, she sets out into the front lines of defense. As the raiders go in range, she casts a Grease spell on a 10'x10' area of land directly ahead of them.

Let's see 'em charging through that..., she mumbles.

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A creature can walk within or through the area of grease at half normal speed with a DC 10 Balance check. Failure means it can’t move that round (and must then make a Reflex save or fall), while failure by 5 or more means it falls