The arena: Monster killers.

That takes it down! Rest on 1-3. 4

Oof…7

Seven more enemies appear on the battlefield! The new order goes Nadir, Dolrik, Returned Drifter, Count, reduced-threat grey ooze, replica duodrone, Yoku, rothe, reduced-threat darkmantle, and a rock gnome perched atop a riding horse. 

Nadir is up!

Very much attached to her armor, Nadir can’t stand corrosive oozes , approaches to 20 feet and theows two daggers at it.

Attack: 24 Damage: 7

Attack: 7 Damage: 3

bless 1: 4

bless 2: 4

That nearly takes it down, and Dolrik finished it with toll the dead. The drifter takes the opportunity to slam a sling stone into Nadir’s helmet with a 22 to hit for 3 damage! Count, you’re up. 

Fire Bolt the ooze

Attack: bless 1 plus 26 Damage: 17

Sir Spitz  to ride off to the side away from the groups in an attempt to make a run at the back row enemies next turn. And then dodge.

Dolrik already got it so I’ll apply that to the drifter. The replica duo drone thriws a javelin each at Nadir and Dolrik, both of which miss with a 14 and a 7. Yoku, it’s your turn. 

Concentration, Bonus Aaction, move Hunter's Mark to the Rothé,

Yoku Longbow, Bless, Hunter's Mark, Attack: 3 + 9 Damage: 11 

That hits and wounds it pretty good! 
The darkmantle flies over and attempts to crush Nadir, but it fails with a 9 to hit. 

The gnome casts Magic Missile all targeting Nadir for 13 damage! It rides it’s horse out to 80 ft away. The rothe moves and dashes to reach Yoku. Nadir is up!

Nadir gasps for air after the three missiles hit her chest piece, "Argh... Someone get that gnome!" she shouts, before striking with her short sword at the Rothé and with her dagger at the Darkmantle.

Attack: 4 plus 14 Damage: 7
Attack: 2 plus 8 Damage: 2

How far is the mounted gnome from Count and Sir Spitz? 

That takes the rothe down but misses the dark mantle. 

Quote from Engineered_Beard >>

How far is the mounted gnome from Count and Sir Spitz? 

 Close enough that you, on camelback can reach him. 
Dolrik deals 9 damage to the drifter with toll the dead. 

The drifter, having been neatly lined by Dolrik, moves in and cuts at him, but can’t quite get him with a 7. Count and Yoku, you are up!

Con BA, move Hunter's Mark to the Riding Horse,

Yoku fires an arrow, Attack: 19 Damage: 14 

Count will ride after the gnome on horseback.

 Casting Booming Blade and swinging for the gnome.

Attack: bless 2 plus 12 Damage: Unable to parse dice roll.

Damage: 6

The arrow impales the horse badly but doesn’t kill it. Count’s almost did but at the last second, the gnome uses its last spell slot to cast Shield, blocking the blow. The duo drone throws two javelins at Nadir, one of which hits with a 20 for 3 damage. The dark mantle makes another crush attack but misses as well. 
The rock gnome shoots a ray of frost at Count that nearly hits with an 18, and Nadir is up. 

Nadir stabs back at the drifter with her sword and slashes in an arc towards the drifter with her dagger.

Attack: 17 Damage: 7
Attack: 9 Damage: 3

bless 1:3
Bless 2: 1

The first hits and takes it down! Dolrik rolls thd dead at the duodrone for 1 damage.