Spoiler: Round 4, Filburn's Statistics
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Filburn Crow
Male Neutral Good Half-Elf Bladed Arcanist, Level 6, Mythic 1, Init 8, HP 42/59, Speed 60 ft. (30 ft. base)
AC 21, Touch 13, Flat-footed 19, CMD 26, Fort 6, Ref 6, Will 7, CMB +12, Base Attack Bonus 3
+2 Falcata "Baerlyon, Demon-Foe" +9 (2d6+18, 19-20/x3) (Arcane Strike, Black Blade, Power Attack, [Good])
+1 Chain Shirt, +1 Blinding Light Steel Shield (+5 Armor, +2 Shield, +2 Dex, -1 Size, +2 Deflection vs Evil, +1 Natural)
Abilities Str 22, Dex 14, Con 14, Int 15, Wis 10, Cha 9
Conditions Expeditious Retreat (previously cast, probably 5 minutes left)
Enlarge Person (6 minutes)
Protection from Evil (6 minutes)
Paragon Surge (Power Attack) (6 minutes)
Terendelev's Scale of Retribution (Align Weapon (Good)) (6 minutes)
Black Blade Strike (7/10 rounds)

Spoiler: Spoken in Aklo due to Filburn's Tongues Curse
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"Time to go!"

With a curt statement Filburn pauses. Then he pivots and boldly pushes past the demon in the way to reach the downed cleric and paladin. Once there he picks them both up, taking advantage of his prodigious size (and only slightly decreased strength) and begins to carry them towards safety!

Spoiler: Mechanics
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Delay action until all debuffs to enemies are applied to minimize AoOs taken.

Filburn will move so that he is adjacent to both Waylan and Aurora/Grace, avoiding as many AoOs as he can with his 60 ft. movement speed. I think V21-W22 looks about right.

He will then grab both Waylan and Aurora. Picking up an object is a move action - due to his increased size can Filburn scoop them both up if he isn't worried about being gentle?