There we go again!
OOC:
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Hydra fast healing: 18.
Sequith - 16 - Miss (rolled: 16 -4(prone) -4(ranged into melee) +6 +1(bless)
Anguis - 16 - Miss (Rolled: 3 +5 -4 (prone) -4 (ranged into melee)
Liem - 14 - Miss (Rolled: 4 +2(flanking) +1(bless) +6(Attack) +4(prone).
Alessa - 10 - Inspire Courage
Spiderswarm - 10 - 5 dmg
Julius - 10 - Hit, 18 dmg!
Eimhin - 7 - Hit, 5 dmg (flanking attack included)
Sarrom - 5 - More hippogriffs!
Hippogriffs - 5 - 4 claws and two beaks...

3 claws hit, 1 bite, 3d4+1d8+15+3 = 28 dmg (from now on, everybody is flanking the hydra)
Hydra - 4 - Prone.
Spoiler with totals damage done:
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Round 1: 7 Dmg
Round 2: 41 Dmg
Round 3: 56 Dmg
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IC:
Seeing the hydra laughing and not posing a threat, everybody becomes heroes and charges forward, meanwhile, spiders, hippogriffs and more hippogriffs are appearing everywhere you see. The air fills with the incantation of magic words, beautiful sung songs and terryfing battle cries. But all of you still hear the Hydra, laughing as a rusty iron tower that comes crashing down.
The Hydra bleeds from multiple wounds and while they are closing, they er not closing fast enough!!!