Quattro only misses with its horn, inflicting 24 points of damage. The DW has 24 HP remaining. (Better watch out or DW's big brother Arthur is coming for you.) Quattro cannot get a hold on DW.
Round 409 (or round 1109): DW tries to bite Quattro's head off, but will have to settle for 17 points of damage. Quattro only hits with one claw and bite, for 11. Quattro has 17 HP remaining, and DW has 13 HP remaining.
Round 410 (1110): DW bites for 15. Quattro hits with everything but one claw for 14. DW is dying. Quattro has 2 HP remaining, and is at 0N15E15Z.
Round 411: A wooden shed (3' x 5', 10' tall) hobbles into the arena to 0N100E. Quattro can see candlelight through the window, and hear voices from inside, although Quattro realizes the voices are not real (rolled Will save 20).