IT'S NOT DELIVERY, IT'S DI'GIORNO
Splat22, FrostGiant18(AC15/HP140), Voltan15, Ebony10, Icaryeti8

Ok, Piglet. Here's your chance.

Splat is known to be quite attentive, but seeing how quickly the first Frost Giant was defeated, he chooses to conserve his resources for now. 

He snarls something or other about avenging his fallen brethren, but it’s not unlike the usual nasty remarks he makes under his breath. Bonus Action: Hunter’s Mark.

Form of the Beast: Claws Attack: Attack: 19 Damage: 10
Form of the Beast: Claws Attack: Attack: 14 Damage: 13
Form of the Beast: Claws Attack: Attack: 21 Damage: 11
Gloomstalker Form of the Beast: Claws Attack: Attack: 21 Damage: 16

IT'S NOT DELIVERY, IT'S DI'GIORNO
Splat22, FrostGiant18(AC15/HP86), Voltan15, Ebony10, Icaryeti8

The Frost Giant bears down on Splaticus Maximus!
Attack: 19 Damage: 28 slashing.
Attack: 20 Damage: 22 slashing.

IT'S NOT DELIVERY, IT'S DI'GIORNO
Splat22, FrostGiant18(AC15/HP86), Voltan15, Ebony10, Icaryeti8

Paeris init: 12 (sorry for late roll, wasn't getting updates on beyond)

IT'S NOT DELIVERY, IT'S DI'GIORNO
Splat22, FrostGiant18(AC15/HP86), Voltan15, Paeris12, Ebony10, Icaryeti8

Suddenly hungry for pizza (with a nice blood sauce, of course), Icaryeti whips out his prized six shooter hand crossbow and peals off a slew of bolts at the FrostGiant:

All the following attacks are using the Sharpshooter feat-

• Hand Crossbow Attack #1 (Dread Ambusher Attack w/Battle Master Precision Attack w/Sneak Attack): 32 Damage: 33
• Hand Crossbow Attack #2: 8 Damage: 20
• Hand Crossbow Attack #3: 22 Damage: 18
• Bonus Action Hand Crossbow Expert Attack #4: 9 Damage: 18

Voltan will take three swings at the Giant!

Attack: 17 Damage: 18
Attack: 20 Damage: 11
Attack: 22 Damage: 9

Combat has ended. The giant drops!

Icaryeti immediately goes in for a vampiric bite and after-party drink of fresh blood. After a good minute of gorging himself, he finally stands back up and notices that he’s made quite a mess of himself, as fresh giant blood is spread all over his chin and the front of his armor. Licking his lips suggestively, he grins and winks at you all (not seeing you but knowing that you are all there, invisible). Turning, he continues to area 1.  

AREA 1 contains piles of hides, a giant sack, and a pile of rocks and ice chunks for hurling. Nothing more.

Anything interesting inside the sack?

Not really.

Splat isn't here to ransack the Giants. Looting could be done afterwards. Splat - invisibly - scuttles towards the exit of the room. If I'm reading right, would that be the tunnel leading for Area 6?

AREA 6 - PROVISIONS

Various pieces of frozen meat, some bales of cloth, piles of hides, and a few odd boxes and barrels of foodstuffs are stashed in an out-of-the-way cave.

Paeris looks over the foodstuffs, and thinks for a moment, before looking for any barrels of alcohol, "If you find any strong drink, maybe we can use it to light a fire later."

"Or maybe a fire can be used to lure some in," Splat half-heartedly suggests. He was wise enough to know that planning was best left for the more intelligent members of the party - he was there to tear Giants apart. Nothing more, nothing less. Ice didn't make for good kindling, did it? Splat wouldn't know.

Icaryeti will run back up to area 1 and grab handfuls of the pelts and other burnable items, bring them back to area 6, and offer them up to Paeris as kindling for his excellently proposed fire.

”The blood flows strong in your veins, wise Masters Paeris and Splat. Let us light a giant fire, and see what we can lure!”

Ebony smiles faintly. "Fire is rarely the worst of ideas," she agrees, sparks flicking from her fingers.

Paeris will nod, happy to see the others agreeing with him, before getting about setting the room to burn. Breaking a cask open so it could soak the other materials and the floor, he'd then light a torch and toss it into the materials once everyone had taken cover.

Icaryeti becomes just Icarus as he disables his Disguise Self spell.  He'll then walk out into the hallway just outside area 6 (where the roaring fire is being set), casually walk up the walls and onto the ceiling, where he'll hide up there (Stealth: 27), weapon at the Ready, waiting to attack any baddies that happen to come investigate the fire.