EvolutionKB[sblock]Thanks on the clinging breath thing...habit to assume all is avoided when saves are passed like that. Easy enough, though, since nothing has happened this round where they will take damage.
As for the aura, I do remember, they just haven't had a chance to attack yet.

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Combat Info[sblock]Assuming Slim attacks the most damaged of the creatures...his attack is against C1. Tumble roll, first, and that's a 24 and no worry about AoOs. Attack roll is a 21 and it hits...C1 takes 7 damage. Its down.
Yarra does need a 5ft step to avoid an AoO from C4...so after that, his attack against it is a 27 and hits. C4 takes 6 damage.
This bring Victor up and there's only one creature left to attack(C4). So he's able to move to flank and attack...roll is a 10. Misses.
C4 is up. It takes 2 damage from the breath that's clung to it from the previous round. It then takes a step forward to Yarra(only 5ft so doesn't provoke an AoO from Victor). It makes a full attack against Yarra. First attack is a 14. Misses. Second is a 21...hits. Yarra takes 4 damage and has to make a Fort Save...roll is a 16. Passes. C4 takes 4 acid damage from Victor's aura, though. Last attack is a 10. Miss.
Jan is up...he CAN move into a flanking position for the Spring Attack. Attack roll is a 23. That's a hit and C4 takes another 8 damage.
Val's up now. His spell's attack against C4 is a 14. Hits. C4 takes 5 damage. Its down now, too.
Everyone gets 400XP. Note that the three that are sickened are still that way for 10 minutes.[/sblock]
Slim had no trouble as he dove through the sand. When he was up, he found himself at the side of one of the creatures, and thrusting his rapier through its torso took little effort. The thing made no noise at all except for the strange sound its body made when pierced, and when the blade was removed, it simply collapsed to the sand.
Despite the sickening feeling that had overcome Yarra, he was able to step back from the disgusting looking, red-eyed creature that was bearing down over him and let loose a crossbow bolt. The bolt went straight into the creature's chest, digging in deep and sitting there with no blood coming from the wound and no obvious effect on the creature, which seemed to ignore the bolt sticking out of its chest.
Victor easily was able to come up behind the now-injured creature, thrusting his spear at its back while its attention was on Yarra. But the creature must have heard the movement behind it, as it managed a quick glance over its shoulder then immediately sidestepped Victor's spear with a surprising grace for such a gaunt thing.
But it ignore Victor beyond that, stepping quickly towards Yarra again. As it dove in at him, mouth open to reveal jagged teeth, Yarra could see some of the leftover acid burning through the thin layer of skin. But Yarra was able to duck under the sudden bite from the creature, only to feel a sudden rip across his back from a strike of the creature's claws. They came away green with another odd layer of acid that burned through the hand, and while its other claw attempted to jab straight into Yarra's stomach, he was able to dodge out of the way of it.
It was in that moment that Jan managed to squeeze his way into position between Victor's spear and the back of the now-visibly injured creature. His sword easily cut through the creature's back, cutting a deep gash that caused the thing to growl in pain before Jan dove back out of his position.
From Valmun, a small orb of sickly green manifested before he launched it at the creature. It struck the creature hard in the side, burning deep into what was left of its skin and sending the creature sprawling to the ground...apparently unmoving like the other three.