Thickness pauses at the words before his jaws open slightly with a small bubble of air, whatever he might have uttered in the syllable swallowed by the water before he sets, and his body lines with his spear for a charge at the remaining Beast, water guiding for a picture perfect strike, aimed to inflict pain instead of death.
Spoiler: Charge
Show
Swift: Enter Silver Crane Waltz, +2 AC/Reflex, +4 Initiative.
Full: Charge using Sand Shark Rush replacing Attack with Swim.
Attack roll: (1d20+5)[19] (+8 for Swim Speed. +2 for not actually wearing shield. -4 Nonlethal. Possibly modified by Charging and high ground (depending on if he was pushed downward.)
Damage: (1d8+4)[9]+(1d6)[4], Spear + Sand Shark Rush bonus damage, Non-Lethal.
Movement from Charge: Move 1 square East and 3 up.