The broad-chested bugbear takes a bolt in the arm.

BBG3 throws a javelin at Stones: Javelin Attack: 22 Damage: 6

BBG2 does the same at Bulwark: Javelin Attack: 14 Damage: 9

While BBG4 throws at Gash: Javelin Attack: 22 Damage: 10

BBP3 runs forward and hurls a javelin as hard as he can at Bulwark: Javelin Attack: 10 Damage: 14

And BBP4 does the same thing, trying to hit Dog from a great distance: Javelin Attack: 17 Damage: 13

Keyrie and Bulwark are up next!

(After this fight can I do some role playing with the awakened pot?)
"Genny, I'm going to have Myon grab you and bring you behind us so you are safe okay?" Assuming Genny doesn't resist, Keyrie will use her bonus action to have Myon grab Genny and move back behind Keyrie. 
Keyrie will use her action so cast conjure animals and summon 8 wolves.

Concentration check ( DC equals 10 or half the damage you take, whichever number is higher.): 10

(How far forward have the bugbears run? It's just the pink ones that have moved?)

(Yes, they ran forward 30 feet.)

(Added in the wolves. I'm going to try getting away with not numbering them.)

Upon taking the Javelin hit, Bulwark immediately rages. Taking out his shield and warhammer, he thunders towards the group of yellow bugbears, stopping at K12, right next to BBY2, and swings at him, recklessly.

Action Attack: Attack: 11 Damage: 12

He’ll the Action Surge to take the Dodge Action, meaning all of their attacks are just straight rolls on him, and he’ll also Bonus Action use Second Wind, regaining 11 hp.

Charging at the bugbear, Bulwark fails to notice the marshy terrain and immediately sinks down to his knees. He slogs halfway across the muck, but doesn't quite get within reach of the enemy.

(Cytonus, you can update your actions if you like. Bulwark has only made the move action so far, but the difficult terrain prevented him from going far enough. I'll assume he took the dodge action unless you say otherwiwse.)

The four (gray) bugbears near Keyrie run forward and attack a wolf:

Morningstar Attack: 24 Damage: 16 (dead)

Morningstar Attack: 17 Damage: 15 (dead)

Morningstar Attack: 8 Damage: 17 (miss)

Morningstar Attack: 6 Damage: 13 (miss)

(Dog is up!)

Here we go. Dog would like to use his movement to run forward and attack BBG4 (who has assumedly run forward to L7 to attack the wolf) from behind, aiming to flank it.

As he moves (I'm assuming some but not all of this is through difficult terrain, but he's only moving to the top of the next square so I assume this gets him there), he'd like to use his action surge to cast force wall in a way that protects Genny, Myon, and Keyrie from the bugbears. Description is below. If he can't cast the force wall spell for some reason, he'll cast catapult to throw a stone or stick he sees on the ground at the head of one of the bugbears on the opposite side of the grouping, dealing 10 bludgeoning damage.

Then with his main action, he attacks the bugbear in L7. If he's able to get two (or more!) in a line as he moves, he'll attack with the javelin of lightning, touching the clockwork amulet as he does, meaning the attack is automatically 10+8 = 18 dealing 10 piercing damage and 19 lightning damage to all of them. Then he'll attack with his warhammer for his extra attack. I'll include two rolls for warhammer attacks in case Dog can't get in place to hit two or more bugbears in a line and instead would use both attack and extra attack to hit the closest bugbear with warhammer.

Attack: 24 Damage: 12
Extra Attack: 27 Damage: 7

Here's the Force Wall spell description (Dog chooses a sky blue color for it), which is not super accessible outside of my character sheet for some reason:

Casting Time: 1 action
Range/Area: 10ft.
Duration: Concentration, up to 1 minute
You conjure a wall of force in range measuring five feet tall, one foot thick, and ten feet long for allies to take cover behind. The wall is opaque from one side, of any color you choose. The wall has an AC of 15, 30 hit points, and resistance to piercing and slashing damage from nonmagical weapons.

(Ah, yes. In that case he’ll move as far as he can, heal, and take the dodge action, that’s fine.)

BBG4 DEX(13) check: 20

The javelin of lightning whizzes past the first bugbear (he takes half of 10 damage, rounding down) and strikes the one behind him. Then Dog smashes the first bugbear with his hammer.

(Stones, Gash, and Tock are up!)

Gash tries to do math and geometry to figure out if he can throw another fireball at the group in the south west without hitting Bulwark -- Gash decides it will be too close and doesn't want to roast his new metal friend... he might melt. Gash takes the bat guano and rubs it in his hands he sprinkles some sulfur in his right hand and starts to swirl his hands around each other bigger and bigger. All while swirling he raises his hands up and up until completely over his head and throws the fireball (L12-O12-L15-O15 does that make sense?)

DC Dex Save 15 to take half of 27

“Well that didn’t go as well as planned.” Stones sees Bulwark get caught in the marsh and decides against moving forward. Instead, he begins flicking his daggers in a familiar pattern and casts Cloud of Daggers at BBY3 “You need a shave!”, which drops the Hypnotic Pattern against BBY1.

Damage: 12

Tock slides over to be behind a wheel, makes himself small and quiet (stealth check: 22) and takes a shot at BBG4 this time:

 Attack: 24 Damage: 19

BBY1 DEX(15) check: 16 (13 damage)

BBY2 DEX(15) check: 11 (27 damage)

BBY4 DEX(15) check: 5 (27 damage; Bugbear dies!)

(Tock is up!)

Tock posted at the same time as the gods were deciding which bugbears died to a fireball (one post up)

Tock's bolt fires low, striking the ground at the feet of his target.

BBP3 and 4 charge ahead, not quite making it to Stones and the wolves respectively. They each throw their remaining javelin at their intended target.

BBP3 Javelin Attack at Stones: 20 Damage: 7 (hit)

BBP4 Javelin Attack at a wolf: 10 Damage: 18 (Hit, but not dead)

BBY1 takes 12 damage from Stones' Cloud of Daggers and moves east to get out of the whirring blades. He then throws a javelin at Gash

BBY1 Javelin Attack at Gash: 22 Damage: 8 (hit)

BBY2 throws another javelin at Bulwark, as does BBY3

BBY2 Javelin Attack at Bulwark: 7 Damage: 11 (miss!)

BBY3 Javelin Attack at Bulwark: 23 Damage: 8 (hit)

Bulwark and Keyrie are up!

(ooc: as a reminder, I've been using Mage Armor every day as part of my morning ritual -- i have just now updated my sheet to reflect that. My AC is 16)

Bulwark immediately moves as much as he can using his movement to the nearest Bugbear and attacks with his warhammer if he can.

Attack: 22 Damage: 10

If he can’t get within 5ft of anyone, he’ll take out his own javelin and throw it at the furthest bugbear from him that’s within 20ft of him.

Attack: 9 Damage: Unable to parse dice roll.

[Were those javelin attacks against Bulwark rolled with disadvantage btw?]

(Thanks  I needed the reminder. I do check character sheets for that kind of thing.)