The freezing rain comes pouring down out of the sky. The guards on the walls are very bewildered. The beasts look around. Controlling the weather? boss didn't say they could do that!.

Emilia runs forward, sailing over the heads of the beasts, her goat-like legs carrying her away from the beasts.

Artun, GO! (and make a DEX save to not fall on your butt)

Dex save 14 (not sure on the save dc but if the stats are correct on the beyond sheet it should be 13)

"She's not the only one who can control the weather. Your boss clearly withheld information so he could send you here to die. What did you do to piss him off?" as he chants some words in druidic, the sky becoming dark and a bolt of lightning crashes down next to the leader. The leader (and any other ones within 5ft of the bolt, if there is a space less than 10ft between two, that is where the bolt hits) need a dc16 dex check. 11 lightning damage on a fail, half on a success.

He then will jump on his broom, and fly 30ft up, scooping up the lightest person if possible (though if that would take an action, just himself for now and 20ft up instead)

Edit, if they are adjacent to us, no flying happens but he will hover on the broom to get off the sleet

Leader's dex save: 20

Pack members Dex save (it would hit 2 of them): 18.

They are not adjacent to Artun, maybe 10ft away, if you want to scoop Ember up, roll me a Strength check

Lightning crackles in the sky, booming over the clearing. The guards on the wall are having a very weird day.

Edit: I'm editing this to clarify that It would be Ember who Artun would pick up. so the dice are gonna reroll cause their stupid. The leader got a 7 and the pack members got a nat 1.

The leader tries to dodge the lightning, but the cascading snow and rain make it difficult to do so, lightning crackles as flesh sears beneath nature's wrath. The other 2 pack members are worse off, the electricity having bounced off the ice and right into their eyes, blinding them for a round as they take a bolt to the face. (That's probably not how physics work, but who gives a crap. I'm the DM, I write the laws of physics in this world!)

Demetrius's turn! 

Demetrius, makes a brake for it, running past the disgruntled leader and minions. the leader takes a swipe at him, but it is a meager one (21 to hit, 11 damage). He simply uses the dash to get as far away from the pack as possible. The packs turn!

Dex saves: 10

I'll have the beasts go once I know whether Artun could grab Ember and fly in the air.

OOC: post #183 didn't re-roll when I edited it. Surprising.

If you only edit things after a dice roll, they theoretically shouldn't reroll. 

Artan doesn't pick her up (str check 4(5-1))

Ok, time to establish positions:

Packs turn! Dex saves: 5

If they are not prone, the following occurs:

A half-dozen of the craven beasts surround Ember, trapping her in a circle of fangs and death. They all rush forward intending to snap you in half. Ember, if you wanna use shield, just say so. Bites: 23 to hit, 26 piercing damage. Claws: 24 to hit, 30 slashing damage.

A couple more race after the fleeing party members, overtaking Emilia first. Claw: 26 to hit, 11 damage. If that hits, make a Strength Save

Ember, GO! (if you are downed, make a death save)

Using Shield,  already in the 24 AC.

I'm guessing the claws miss (11 to hit), how about the bite (18 to hit)?

She'd still be alive if the bite hits.  (If both hit she's in death save territory)

Not sure how much of this she could do.

She wants to dodge or disengage (whichever would work better for this maneuver) then get in position to cast Lightning Bolt on as many as she can get in a 100 ft x 5 ft line between her & the party.

If she can't move & cast how many could she get by just casting?

If she isn't pushing daisies, she casts & burns a sorcery point to reroll the lowest 3 dice.  (28 -4 +14 = ) 38 pts damage

(I see a 1 & a 2 & assume there's another 1 in the roll for the -4)

If you are using shield, then both the 18 and the 11 would miss, dealing no damage.

You could slip through a gap between the beasts by taking the disengage, but that would mean not casting lightning bolt this turn, as disengageing takes your action. To be clear, the beasts are positioned in a way where you couldn't hit a bunch in a line, maybe 3 at most. they are in a circle surrounding the square you are currently in.

Thanks.  She'll disengage & dash toward the group, hoping the critters line up later.  

22 dex save if needed.  I reset the spell & sorcery points from the aborted lightning bolt

Ember runs towards the walls, the beasts snapping at her heel

The guards, seeing the burst of violence, aim their crossbows at the approaching beasts, not heeding Emilia's presence. 

Guard #1's attack: 19 to hit, 6 damage against one of the beasts

Guard #2's attack: 7 to hit, 11 damage against another beast

The first guards strike lands true, the second on the other hand...

Dm Roll: 6

The second guards bolt sticks in the ground at Emilia's feet, causing her to stumble (you lose 5ft of movement next turn)

Pack Leader's turn!

Dex Save: 10

the pack leader slips! It falls on the ice, and scrabbles to its feet. Due to this, it is not able to reach Beshlog this turn, but is only a couple of yards behind him.

Beshlog, Go!

"Hey! You look cold... let me help warm you up!" Beshlog says with a laugh as the pack leader tumbles.

He casts burning hands, at the pack leader (and possibly a couple other monsters if they are following closely behind the leader). The monster needs to make a DC 15 Dex save or take 10 fire damage (half damage on a success).

He then keeps moving another 30 feet away from the beasts and towards the wall.

Dex Save: 5

The leader manages to dodge out of the way of most of the fire, though a few tongues of flame still burn it

Beshlog keeps running, closing the distance to 65 yards from the wall

Emilia, GO!

(Gah, I'm afraid that does hit! Didn't see it until now. Strength: 5)

Emilia takes a look over to Ember, her face widening at the sight of the bite wounds, and at the wounds that befell onto her. God, it stings. She slowly lurches about 15 feet away from the beast, clasping her hands together and glaring. "Ember! Friend! May your wounds close!" With her bonus action, she casts healing word with a 2nd level slot to heal for 8.

And then, with her action, she gets an idea. With summoning a small sphere of wind in her hand, she throws it down towards the ground. She casts thunderwave, targeting herself in an attempt to knock herself away a bit farther. 

Constitution save is 15, and damage is 10, and hit creatures are pushed back 10 feet.

DM, is this okay? Would I need to make the save at advantage or disadvantage?

The creature's claws snag at Emilia's robes, tripping her. They try to tear her apart. Bite: 26 to hit, 17 damage.

Since Ember was using shield, she was not hit by either the bite or claws, therefore not taking any damage (Dang. Ember is too good of a tank. I gotta step up my game. Lol). Though if you want to, you can use the healing word on yourself, as you probably need it.

For the Thunderwave, It's fine if you want to put yourself in the area. I mean, if you can fireball yourself, you can thunderwave yourself. If you want, you can fail the save, taking the massive total of....3 damage and launching into to the air.

Packs Con save: 23

If you want to run with your remaining movement, just say so

The beasts manage to resist the effects of the blast, taking a measly 1 damage.