Muireach will also follow suit in chasing! He makes a swing with his sword that cleaves through the air in a pulse of light (Eldritch Blast! Attack: 20 Damage: 11 force damage). 

Muireach's energy slash hits Seven!

Vivi follows Muireach and stands by him. She, too, will fire her own blast, but it goes wide.

Seven winces as all your attacks land on her. She continues to make a mad dash south, hopping over small gaps between buildings, until she finally hops down to the street below. For right now, you have lost sight of her.

(She is roughly 70 ft south of Luthok. And this map is NOT TO SCALE OMG, but do your best to deal with my crappy drawing. Ranged people who can shoot more than 60 ft away will be able to make attacks granted they are able to turn that corner to look at her from above.)

Dyoken watches Seven move off, as he grips the Skeleton in his free hand. He turns back to look at the creature before pulling it down to crush its skull on his knee, Recklessly hitting 17 for 9 bludgeoning. (If it falls, and I assume it does.) he drops the pile of bones and runs after the others. (Otherwise he drags it along.)

(If it tries to escape like a dummy:)

Muireach dashes to the edge to look for 7, if he can locate her, he’ll use his remaining movement to chase her and keep an eye on Vivi.

Luthok tries to keep up with his fleeing adversary, launchin spores at her as soon as he spots the numerical warlock.

Action: Dash
Bonus Action Halo of Spores 3 dmg

Movement: Chasing Seven

Before the skeleton gets pummeled to death, he will attempt to sword Dyoken! (Attack: 16 Damage: 8 slashing)

Dyoken easily crushes the skeleton and leaves it's bones behind.

Luthok is right upon Seven after he makes that dash. Spores erupt and cling to Seven's body. 

Merrick quickly accesses the situation and runs into range to attack Seven! His arrow misses and gets stuck to a building.

Muireach manages to make it far enough to the ledge of the building and Vivi follows close behind. 

Seven turns her head to look at Luthok with furrowed brows and her teeth grit. "Leave me be, dwarf!" She shouts as she nimbly dodges out of Luhtok's given opportunity attack as she makes another dash down the street, heading toward Merrick. She seems to have forgotten about Merrick and Dyoken.

(To quickly define the movement you would need to become adjacent to Seven:

Merrick - she is within 20 feet of you.
Muireach - you still need to dash to your fullest extent.
Dyoken - you still need to dash as well.
Luthok - while you would still need to dash, you can easily start flanking the girl with Merrick, should he want to become adjacent to her.

Seven has taken 42 damage now.

Can you guys tell it's annoying when an enemy is trying to escape? :P)

Muireach, still continuing to follow in pursuit, mundanely calls out, “You know exactly how far I can hit you from. Give up...” Before spinning Calibolg once more for another blast of energy! Attack: 16 Damage: 9 force damage.

Dyoken takes the skeleton's slash like a champ. In his fury he dashes toward the girl.

Luthok dashes towards Seven and flanks her with Merrick, this time waiting for her to run again so he can bite her as she tries to run.

Movement: Flanking Seven

Reaction: AoO Attack: 23 Piercing DMG: 2 Poison DMG: 7 DC 11 Con save (Half dmg on successful save) (Giant Wolf Spider for refrence)

OOH a crit, Pierce: 3 Poison: 4 (Afraid of editing post in case of changing the original rolls)

Luthok, Dyoken, and Merrick are all adjacent to Seven at this point. Muireach and Vivi are still a ways off, but in range for Eldritch Blasts.

Muireach's energy blast almost barely manages to hit Seven as she seems eager to continue running! Vivi follows up with a blast of her own as she follows Muireach. (Attack: 20, Damage: 8 force.)

Seven manages to dodge Merrick's rapier swing as she continues to move northwest up the street. She provokes an attack from Dyoken and Merrick. (Luthok, I am using that roll you made as an opportunity attack for her!) 

Luthok manages to bite Seven as she moves away from him, earning him a hearty howl of pain as the bite connects with her arm. She scowls at him as she gestures with her hands and speaks, "Αὐξάνω!" One again, the ground beneath everyone rumbles and plants burst from the ground and nearby flower pots and beds. Dyoken, Luthok, and Merrick must roll a Strength saving throw vs DC 14 or be considered restrained.

Seven has taken 65 damage (will go up depending on if you hit your AOOs). She has moved 30 ft away, and 20 ft of that is considered difficult terrain wop wop. If it makes you feel better, she is technically out of spells, but, the potential of her escaping is still quite high. (Unless you guys straight up murder her or something I haven't thought of.)

Dyoken takes the opportunity for a whip, hitting 13 for 7 (1 'sneak') slashing, as he tries to stomp down the plants (save: 12)

Annoyed he attempts to break free (Strength(Athletics?): 24(28))

(If he escapes) he runs after her.

(Otherwise) he shouts: "It'd make things easier on all of us if you'd give in." He looks around, "Where's that gog?" 

(Can't try to break free until your next turn, however it is simply another Strength Saving Throw to try to escape.)

(My next turn follows hers? If it's Entangle, it calls for a check, but in any case it fails.)

Dyoken is infuriated.

( I am having saving throw, because I think at least one of you benefits from that instead of straight strength. :P I wasn't sure if you were trying to roll your next 2 turns together or not, but trying to break free costs an action.)

(He was supposed to succeed his escape as an action. DK let me down. He gets advantage on checks but proficiency to save. Either way is fine. Either way he stuck.

Next turn he's gonna have to use his action to pull Merrick out.)

(I'll allow DK to pull Merrick out with Athletics vs the DC 14, I hope that is helpful. MAYBE YOU CAN THROW HIM? hah)

As Dyoken tries to pry himself out of the grasping vines, he hears the distinct sound of an accordion playing nearby. 

Everyone sees the pair of birds from earlier standing nearby with the dog. It pants happily as the green, male bird announces, "A little dog told me that some adventurers needed help!" The yellow bird woman begins to dance as the male bird plays a tune on his accordion. Somehow, this gives you the strength to try harder.

Dyoken and Muireach both gain bardic inspiration, and can add a d6 to any attack, skill, or saving throw rolls.

(Dyoken can roll a d6 now and retcon his turn into something more productive perhaps?? Or wait. It's up to him.)

Muireach, filled with the poetic power of polka, feels is tired winter senses sharpen. For a moment, he is filled is vigor! He takes off running toward Seven and, as he is about to hit the bramble, leaps to the side of the building. He runs along it for as long as he can before jumping and reaching for a sign post, sliding along that and kicking off of it, ticking and rolling into a three point landing (23 total). He dashes towards Seven. “You can’t run. Winter is relentless.”

Dyoken feels empowered by the odd gog's even odder friends. (On DM suggestion) He grabs a hold of Merrick and pulls him free instead, and gives him a leg up escaping this tangle, (expending his inspiration to increase the 14 Athletics to 20. Not necessary to succeed, but necessary for the DM's gift.)

Dyoken pulls out Merrick with one arm, and hurls him into the air! Merrick curls up into a ball of fur and fury. He goes up up up into the air, and sticks out his heel. He comes down right on Seven's face, his heel smacking her right in the forehead for 6. He nimbly bounces off her forehead and lands behind her. "I know something you do not know! I am not left handed!"