As the fire from the sphere starts to engulf the vine blight, Lia shoots a bolt that puts the monster out of its misery. Only three vine blights remain.

Seeing himself free from the vines tangle, Rhok shoots at the half-orc twice.
OOC: hunter's mark damage for second attack: 5

With two more bolts deeply embeded on him the half-orc collapses, cursing at you in his own language.

The last twig blight runs to a corner and hides under some bushes. It's very hard to tell it apart from the surrounding branches.

The orc in the window jumps down to the courtyard letting out a roar, two others promptly follow him (Dex checks: 7, 13, 7). One of them lands on his feet, running at the nearest enemy winging a great axe.
Attack: 23 Damage: 13 against Rhok

The other two crash into the floor, taking some damage (1 and 2). They get up and run to attack whoever is there.
Attack: 8 Damage: 12 against Lia
Attack: 21 Damage: 5 against Lothlién

The shock from the fall makes all of them miss their swings. A couple of brighter orcs throw javelins from the second floor window, hoping to hit someone.
Attack: 6 Damage: 4 against Xarroth
Attack: 11 Damage: 8 against Rhok

Initiative order:
18 Lothlién
17 Xarroth (7)
15 Lia
14 Rhok (6)
12 One Twig Blight (2, hiding)
11 At least five Orcs (2) (2)
  0 Three Vine Blights (19) (14) (unharmed)

The vine blights move away from the flaming sphere, and attack randomly hoping to grapple someone.

Attack: 9 Damage: 5 against Lia
Attack: 11 Damage: 8 against Xarroth
Attack: 18 Damage: 8 against Lothlién

One of them grabs Lothlién in the vines, who is now grappled and restrained (escape DC 12)

Initiative order:
18 Lothlién (8)
17 Xarroth (7)
15 Lia
14 Rhok (6)
12 One Twig Blight (2, hiding)
11 At least five Orcs (2) (2)
  0 Three Vine Blights (19) (14) (unharmed)

And we are back to Lothlién.

Lothlién struggles to try and free himself fro the grapple: 17

If he can move away without triggering opportunity attacks, he'll do that. Otherwise, he'll just get ready to strike back on his next chance

Xarroth will tear a translucent orb that floats before him in two; flames flashing to life in each of his hands as he slings them towards the two damaged looking Vine Blights!

Chromatic Orb (1st Level)
Twinned
Orb #1 - Ranged Spell Attack: 12 Damage: 10 (fire)
Orb #2 - Ranged Spell Attack: 14 Damage: 16 (fire)

Lothlién breaks out of the vines, staying his ground for the next attack. Xarroth's spell flies through the air, burning two of their enemies down to ashes.

Initiative order:
18 Lothlién (8)
17 Xarroth (7)
15 Lia
14 Rhok (6)
12 One Twig Blight (2, hiding)
11 At least five Orcs (2) (2)
  0 One Vine Blight (unharmed)

Lia goes next, then Rhok.

Lia rams the flaming sphere into the last vine creature...
DC 14 Dex save for half, or take 9 fire damage.

She then shoots at one of the orcs with ehr crossbow...
To hit: 20 Damage: 8

Dex save against flaming sphere: 0

The sphere rams the vine blight, making it stumble to the ground as the flames spread over it (it is now prone).
The half-elf shoots at an orc, hitting it with ease and making him angrier.

Initiative order:
18 Lothlién (8)
17 Xarroth (7)
15 Lia
14 Rhok (6)
12 One Twig Blight (2, hiding)
11 At least five Orcs (10) (2)
  0 One Vine Blight (13)

Rhok goes next.

Rhok turns from the body of the half orc with a wild grin on his face and begins to calmly walk towards the Orcs firing at the closest Orc that's taken damage...

First Hand crossbow attack:    Attack: 8 Damage: 6   

Colossus slayer damage:   5  

Bonus action second hand crossbow attack:   Attack: 11 Damage: 6  

Rhok's grin freezes on his face as his first shot flies off mark and the second one embeds itself in the bone pauldron the orc is wearing, doing no damage to his opponent. The orc rushes forward towards the ranger, lifts his greataxe and swings.
Attack: 14 Damage: 15
The ranger takes the hit, but the damage is less that the axe size suggests.

The two other orcs in the yard keep swinging their greataxes at the same opponents they missed before.
Attack: 14 Damage: 10 against Lia
Attack: 11 Damage: 13 against Lothlién
This time both of them find their targets, one howls out of joy, the other just smiles.

The door on the south west corner opens and two more orcs enter the courtyard, they only get a few steps out the doorway (OOC: ran out of movement).

From the second floor window, two more javelins fly down.
Attack: 6 Damage: 9 against Xarroth
Attack: 22 Damage: 5 against Rhok

Initiative order:
18 Lothlién (18)
17 Xarroth (7)
15 Lia (15)
14 Rhok (16)
12 One Twig Blight (2, hiding)
11 At least five Orcs (10) (2)
  0 One Vine Blight (13)

The last vine blight gets back on its feet, stumbles a few steps towards Xarroth and tries to constrict him.
Attack: 10 Damage: 9

Luckily for the dragonborn, the half burned vine blight is unable to grasp him.

Initiative order:
18 Lothlién (18)
17 Xarroth (7)
15 Lia (15)
14 Rhok (16)
12 One Twig Blight (2, hiding)
11 Seven Orcs (10) (2)
  0 One Vine Blight (13)

A new turn starts, we're back to Lothlién.

Lothlién lets a moan of pain out, starting to look worn out by the fight. With sparks coming out of his eyes, he summons 4 darts of energy that fly hitting his enemies, each one dealing 2 damage (Magic missiles, lvl 2). He's trying to get rid of the orc attacking him, then the one attacking Lia. If there's still a missile to spare, it's for the Blight.

OOC: Damn that roll

Lothlién's magical bolts fly through the air, three of them hitting the orc in front of him and one flying directly at the one attacking Lia. The orc in front of Lothlién falls dead to the ground, the other ones are still fighting.

Initiative order:
18 Lothlién (18)
17 Xarroth (7)
15 Lia (15)
14 Rhok (16)
12 One Twig Blight (2, hiding)
11 Six Orcs (4)
  0 One Vine Blight (13)

Xarroth goes next.

Uncomfortable on how close the Vine Blight remains, Xarroth weaves the air around the creature to turn cold to the point of freezing!

Frostbite
Constitution Save - DC14
Damage on Fail: 3

Lia has her flaming sphere hit the orc fighting her...
DC 14 dex save for half, or take 7 fire damage.

She then casts mirror image on ehrself, a trio of illusionary versions of ehrself suddenly swirling aorund her, making it impossible to tell which one is truly her.

If the Orc doesn't move before Lia's next turn, it takes an additional 6 fire, half on another dex save.

 Vine Blight con save against frostbite: 5.

The vine blight takes the full blow, but the damage is not enough to finish it yet.

Orc dex save against flaming  sphere: 11.

Lia's flaming sphere engulfs the orc, finishing him.

Initiative order:
18 Lothlién (18)
17 Xarroth (7)
15 Lia (15)
14 Rhok (16)
12 One Twig Blight (2, hiding)
11 Five Orcs, three on the courtyard and 2 on the second floor window
  0 One Vine Blight (16, disavantage on next attack)

Rhok goes next.

Rhok nods a job well done to Lia, then fires at the wounded vine blight

Hand crossbow 1: Attack: 15 Damage: 7 

Colossus slayer damage: 6 

Bonus attack second hand crossbow: Attack: 18 Damage: 5 

Rhok's first bolt takes down the last vine blight for good, it falls into an amorphous mass of vines and branches. The second shot finds one of the orcs in the courtyard, making him scream in anger.

The orcs in the courtyard swing their greataxes, hoping to fend off this group of intruders.
Attack: 21 Damage: 9 against Rhok.
Attack: 8 Damage: 11 against Xarroth.
Attack: 20 Damage: 5 against Lothlién.

Rhok and Lothlién take hits, while Xarroth manages to avoid the blow. Two more javelins fly down from the second floor window.
Attack: 14 Damage: 7 against Xarroth
Attack: 21 Damage: 9 against Rhok

The ranger takes another hit, but miraculously does not go down. The orcs look at him with confusion and rage on their faces.

Initiative order:
18 Lothlién (23)
17 Xarroth (7)
15 Lia (15)
14 Rhok (24)
12 One Twig Blight (2, hiding)
11 Five Orcs, three on the courtyard and 2 on the second floor window (5)

Lothlién goes next.

As a bonus action, Lothlién uses his font of magic, spending 3 sorcery point to get 1 2nd lvl spell slot.

He then casts Shatter where it will hit more enemies, and not hit any friends (are the 3 orcs on the courtyard close enough?)

Shatter: 17 thunder damage. DC 14 CON to take half.

EDIT: I'll spend my last sorcery point to reroll that 1

7

EDIT 2: HELL YEAH

Aiming carefully, Lothlién manages to cast his spell in such a way as to affect two orcs from the courtyard and the two in the second floor window. The spell breaks what remained of the blinds with a thunderous noise.

Dex saves for orcs in the courtyard: 11, 5.
Dex saves for orcs in the second floor: 11, 15 (OOC: these ones get advantage from the half cover they had).

Both orcs in the courtyard drop dead under the spell, the ones in the second floor get splinters on them and look damaged, but are still up and raging.

Initiative order:
18 Lothlién (23)
17 Xarroth (7)
15 Lia (15)
14 Rhok (24)
12 One Twig Blight (2, hiding)
11 Three Orcs, one on the courtyard (5) and two on the second floor window (8) (8)

Xarroth goes next.

Xarroth looks to the the orcs on the second floor! With a burst of shimmering silver scales he disappears and reappears on their level!

With complex gestures mimicked with each hand and Draconic incantations, sheer cold surrounds both orcs!

Cast Misty Step to get next the orcs.

Frostbite
Twinned
Constitution Save - DC14
Damage on Fail: 2