Kulan: Knightfall's Crisis in Bluffside Game [OOC]

Yes, the highest one. I'm thinking the one that is obviously a head, not tentacles...but I'll take whichever is the closest

Vinny - Attacks with Doppelguard's Masterwork Light Crossbow: 1D20+13+2 = [2]+13+2 = 17 (miss)
1D8 = [2] = 2

Emelia: Moves to stand next to Custodio. Fires heavy crossbow.
Emelia - Attacks the Beast with Heavy Crossbow: 1D20+13 = [17]+13 = 30 (hot)
1D10 = [7] = 7 (2 damage after DR)
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Captain Camburn: Double move while Tumbling.
Captain Camburn - DC 15 Tumble check: 1D20+7 = [11]+7 = 18 (success)
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Commander Oakfirst: 5-ft step; full attack w/composite longbow.
Commander Oakfirst (hasted) - Composite Lowbow: 1D20+16 = [2]+16 = 18 (miss)
1D20+11 = [2]+11 = 13 (miss)
1D20+6 = [20]+6 = 26 (critical threat)
Commander Oakfirst - Confirm Crit. vs The Beast: 1D20+6 = [5]+6 = 11 (not a crit.)
Commander Oakfirst - Damage to The Beast: 1D8+3 = [7]+3 = 10 (5 damage after DR)
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Breva: Withdraws.

Petronille: Reloads and fires light crossbow. Firing into melee (-4);
Petronille - Firing into melee at The Beast: 1D20+7-4 = [1]+7-4 = 4 (critical miss)
1D8 = [8] = 8
Petronille - DC 10 Dexterity check: 1D20+2 = [7]+2 = 9 (fails)
(Drops her crossbow over the edge of the wall)
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Tower Guard Elite: Moves and shoots composite longbow with Precise Shot.
Tower Guard Elite - Firing at The Beast (Precise Shot): 1D20+8 = [5]+8 = 13 (miss)
1D8+2 = [2]+2 = 4
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Bluffside Regular: 5-ft. step; reloads crossbow; shoots
Bluffside Regular (crossbow) vs The Beast: 1D20+6-4 = [6]+6-4 = 8 (miss)
1D8 = [6] = 6
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Tower Guard Wizard: Casts magic missile.
Bluffside Tower Wizard - Caster Level Check: 1D20+3 = [4]+3 = 7 (fails)

@MetaVoid, let me know exactly where you want Rockhorn and Spritewing to end up. I put them back where I had them originally, but if you prefer they attack from where I had moved them on the previous map, it's fine. All I need to know is where they end up and how high they are in the air after Rockhorn sunders the head.

@Tellerian Hawke's attacks for Tim sent through FB messenger...

Attacks
First sword attack vs The Beast aiming for body: 1D20+19 = [19]+19 = 38 +2 (flanking) -1 (creature) = 39 (critical threat)
Crit confirmation Sword attack one vs beast aiming for body: 1D20+19 = [3]+19 = 22 +2 (flanking) - (creature) = 23 (critical hit)
Second sword attack vs The Beast aiming for the body: 1D20+19 = [1]+19 = 20 +2 (flanking) -1 (creature) = 21 (critical miss)
-> Dex check DC 10: 1D20+1 = [17]+1 = 18 (success)
Third sword attack vs The Beast aiming for the body: 1D20+14 = [13]+14 = 27
(Haste ended last round.)
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Damage
Crit for Sword Attack 1 vs The Beast aiming for body: 4D6+20 = [2, 3, 1, 6]+20 = 32
Sword Attack 2 vs The Beast aiming for the body: 2D6+10 = [6, 2]+10 = 18

The Beast uses Gargantua Shift and then makes a full attack.

Gargantua Shift (Su) Once per day, the Beast can magically change its size from Gargantuan to Colossal, as a swift action, and can remain in its larger size for 1d4+1 rounds. The Beast’s stats are altered as per p. 291 in the v.3.5 MM. It’s Strength increases by 8, its Dexterity stays the same, its Constitution increases by +4 and its natural armour increases by +4. However, its AC and attacks decrease by -4. It’s Space increases to 30 ft and its Reach increases to 20 ft. Its Speed does not change. This action does not provoke an attack of opportunity.

Okay, @MetaVoid, this is why I need you to let me know exactly where Rockhorn and Spritewing end their movement. I think I figured out where you want them to be, but I'm not sure which starting point you chose. I'll post an altered map with the creature's new size and where I think you had them move to.

In its colossal form, The Beast stands 25 ft. high (as a long creature) and has a reach of 20 ft. So, if they are less than 45 ft. off the ground, then The Beast can bite at them. I'm going to assume that they are higher than that unless you say otherwise.

When the creature increases it size, its bulk crushes the trees next to Tim and pushes Captain Camburn back 5 ft.

It can only stay in this form for 1d4+1 round.


Attacks upcoming...

The following attacks assume that Rockhorn and Spritewing aren't close enough to attack. The first three attacks are against Tim while the next three are against Captain Camburn. The attack with the 'primary' head includes True Strike, which the creature can use once per day with only one attack.

The Beast (colossal form) - Primary Bite with True Strike: 1D20+18+20 = [9]+18+20 = 47 (hit)
3D8+15 = [6, 8, 7]+15 = 36

The Beast (colossal form) - Tentacle Maws vs Tim (x2): 1D20+16 = [12]+16 = 28 (miss)
3D6+7 = [4, 2, 5]+7 = 18
1D20+16 = [19]+16 = 35 (hit)
3D6+7 = [6, 2, 1]+7 = 16

The Beast (colossal form) - Tentacle Maws vs Captain Camburn (x3): 1D20+16 = [3]+16 = 19 (miss)
3D6+7 = [6, 2, 3]+7 = 18
1D20+16 = [6]+16 = 22 (miss)
3D6+7 = [4, 1, 4]+7 = 16
1D20+16 = [20]+16 = 36 (critical threat)
3D6+7 = [4, 1, 1]+7 = 13

The Beast (colossal form) - Confirm Crit vs Captain Camburn: 1D20+16 = [19]+16 = 35 (critical hit)
3D6+7 = [2, 3, 2]+7 = 14

Updated map with The Beast's new colossal size...