What's the deal with 0 stamina glads not dropping...

[BlkTmplr]

R O U N D 12

VALAFAR conservatively maneuvers around the arena.
VALAFAR's BONEWOOD MAUL moves unsteadily through the air.
SENSUALVALAFAR
309/559309/559
183/536183/536
31/8031/80
0/730/73

(At this point Valafar had 0/73 stamina as you can see, this was the attack that dropped him to 0 so he should drop from exhaustion on the next attack)

VALAFAR tries to knock SENSUAL down with the force of the blow! (-Barreling Attack-)
SENSUAL intercepts the oncoming strike.

(After this attack he should have dropped... But didn't. )

SENSUAL shuffles quickly to and fro.
SENSUAL collides with VALAFAR and tries to pummel her opponent.
SENSUALVALAFAR
309/559309/559
172/536172/536
29/8029/80
0/730/73

SENSUAL is aiming at VALAFAR's head.
The strike merely grazes the defender's sternum. (+16 Damage)
VALAFAR lets forth the roar of a lion and prepares to leave it all on the sands! (-Last Stand-)
VALAFAR cautiously moves to and fro.
VALAFAR slips as he charges forward.
SENSUALVALAFAR
277/559277/559
172/536172/536
26/8026/80
0/730/73

VALAFAR's strike to the hand needs to do better next time. (+32 Damage)

(Not only did he not drop from the last attack but he also made another extra....)

SENSUAL has seen better days!!
E N D O F M I N U T E 2
SENSUAL is the favorite right now!
R O U N D 13

(And then even then the round had to tick over before it took into account that he -did- have 0 stamina for the entire last round.)

VALAFAR doesn't have the energy to continue fighting.
A zealous fan runs out onto the arena sands and kisses the winner!
The fight lasted 2 minutes & 7 seconds!

If anyone wants to check out the fight it is "Fight 544 — SENSUAL masterfully whipped the ass of VALAFAR."
My question stands as...
WTF?!?!