The echo of the Thunderwave still ringing in his ears, Dagon charges forward five feet into the room and blinks in surprise at the devastation caused by the bard's magical capabilities. Never the less, the hulking warrior seeks to take advantage of the distraction the wight is causing amidst the other party so he pulls a javelin from the quiver at his back and hefts it in his meaty right hand, placing his feet shoulder-width apart and raising the weapon into the throwing position. The half-orc marauder takes a brief moment to level his javelin and gauge his distance, then with a guttural grunt of aggression and malice he rockets his arm forward, sending the javelin streaking toward the form of the enemy wizard.

Attack on the Wizard: 6 Damage: 4

(How about those rolls)

Dagon miscalculates the distance and his projectile falls short of the mark.

Top of the order with Humphry!

(My jaw hurts from it landing on my keyboard, lol)

(If I used Aganazzar's Scorcher how many of them could I get at the same time?)

 You could hit the rogue, fighter, and wight.

Humphry, despite being having been accosted by the concussive force of the bard's spell, is able to stand and is about to run over to the group of combatants centered around the wight to use the firey breath granted by Dragon's Breath before he realizes he had lost concentration on it. Instead he opts to cast Aganazzar's Scorcher, at the group attempting to get the rogue, fighter, and wight within the line while standing as far away from them as possible.

(All affected take 16 fire damage or half of that if they make a DC 13 DEX ST)

After casting the spell, he uses his remaining movement to get as far away as possible from his foes.

(If the wizard attempts to cast a spell before the start of Humphry's next turn, provided also that Humphry isn't unconscious, he will use his Counterspell Spell Scroll as a reaction to cancel the effects of that spell. Since Humphry cannot cast 3rd level spells he has to make a DC 13 (10 + spell level) Spell casting ability check as per the spell scroll rules, or the spell is not cast and scroll becomes inert)

Preroll: Spell Casting Ability Check (INT) 10

😔

Humphry's spell takes his opponents by surprise, dropping the lizardfolk and badly burning the rogue. The wight is also staggered but still standing.

The enemy wizard, eyes wide at the destruction wrought by the small gnome, prepares to launch an offensive.

The wizard makes a break for Humphry, narrowly dodging the wight's opportunity attack, and conjures a shadowy blade which he stabs Humphry with for 8 psychic damage. 

The wight lunges for the rogue with it's pale longsword but the halfling nimbly parries the blow. Frustrated with it's elusive quarry the wight scans the room for easier prey and his eye lands on Humphry. With a mocking grin the wight advances and it's blade flashes in a deadly arc. Attack: 23 Damage: 4

Kic!

Are there any clusters of enemies?

Your two remaining foes, the wizard and rogue, are within five feet of each other.

Kic will run towards the rogue and wizard Biting the Wizard and clawing the rogue.

Bite:  10   Damage:   5

Claw:  10    Damage:   12

(Isn't the wight still standing?)

(Yep, the wight is still kicking. But it is currently engaged with Humphry and the wizard)

Quick question, can a brown bear make one of it's attacks, move, and then make its second attack? Because I forgot that the wizard moved to attack with his shadow blade and he is now fifteen feet away from the rogue.

I'm not sure.  I think that's up to you but knowing that I would have gone after the wizard and wight since they're clustered (mainly want to spread out damage to make others attack me).  Still biting the wizard and claw the wight.

Multiattack states that you make two attacks. There is nothing to indicate that you have to make them both at once.

(sweet)

Unless the wizard or rogue have some clutch spells or features this is the end. Just waiting for confirmation.

Against impossible odds, the wizard conjures a shield and swats aside Kic's attempts to bite him in half. He stands alone amidst his fallen companions.