The Valley of Ends

Onyx will move next to Mimer (Feline Agility if neccesarry) and mark the Zombie who is attacking you the guard before he strikes:

16 for 14 slashing damage

Gotch shoots another of the zombies attacking their fallen guide.

To hit: 21

Damage: 4

Lyrant quickly strikes with her warhammer, cracking it on the side of the head before creating a large mace of divine magic that cracks the other side of the zombie's head.

Gotch takes aim with her Crossbow but the shot seems to skips through the zombie's part missing rib cage.
Onyx follows up the crossbow shot with his own striking the zombie with his blade,  the zombie narrowly leans backwards from the blow, narrowly keeping itself alive by sheer luck. (Undead Fortitude triggered)

Next Up 

Raynor
Zombie

Only #4 on Mimer and #6 near Lyrant is still "alive"

Continue moving towards Mimer to heal!

Raynor moves closer to Mimer but his short legs keeps Mimer just out of reach unless he dashes.

#4 turns around after Onyx's blade leaves it's head and rushes him in a body check while #6 continues swinging it's arms at Lyrant at the top of the hill.

Attack on Onyx: 5 Damage: 7

Attack on Lyrant: 17 Damage: 3

 OOC: As long as he's within 60' of Mimer he will cast healing word. I can re-roll if you need it or we can use the 5 from before.

5 Healing word

I would prefer rolling it, Raynor is about 10' away from Mimer due to 25ft speed and moving out of zombie reach. Mimer's already up from first heal btw and this is next turn after first heal. 

Battle Situation (Raynor is next to MImer with dash)

Next UP

Lyrant
Gotch
Onyx
Mimer
Raynor

Ooc: ohhhh I misread that. I'll just dash to him instead, my bad.

Next Up
Lyrant - Hammer and Spirtual Weapons
Gotch - Crossbow Bolt

Start of Next Turn
Onyx - Scaimtat attacks
Mimer
Raynor

Gotch turns and shoots the one fighting Lyrant...

To hit: 19

Damage: 8

Lyrant will attack the zombie next to her with her hammer.

Attack: 10 Damage: 7

Bonus action: Move spiritual weapon close to the zombie and attack with it.

Attack: 12 Damage: 3

I think the one next to me is still marked, i circle it to flank it with Mimer.

Attack: 14 / 18 Damage: 9

if i need the second attack:

Attack: 27 Damage: 12

If not i will move the mark and sheath my scimitar and move closer to the last zombie.

Lyrant sandwiches the zombie's head with a warhammer blow to one side of of the head followed by the spiritual weapon striking the other side but it remains going at her before a crossbolt shot from Gotch flies up the hill, striking the zombie through it's back.

On other end of the battlefield, the zombie clinging over the past of the necroamncy energy animate it is struck by Onyx' blade, finally falling dead from the blows before moving the mark across the battlefield to last zombie striking at Lyrant. (about 80ft away). Mimer scrambles to his talons before grabbing his discord bow for a long shot at the zombie.(Flank doesn't work if other person is prone for future)

Mimer's attack Attack: 25 Damage: 14 (Seriously Mimer is really lucky)

The arrow flies high and pierces the zombie's neck, severing the spine and the head rolls off from all the abuse it taken. That's all for this combat encounter. As soon as the zombie stops moving, Mimer is hightailing it to the town as the last beams of sun is slowly disappearing.

What does the party want to do?

Zombie attack on Lyrant Attack: 5 Damage: 5

“Gotch, can your familiar sit on my shoulder, or else you won’t see me in a few minutes.”

No mater Gotchs answer, Onyx will look for tracks or hints to where the Undead may have come from.

Survival 12 (in case of disadvantage if it gets to dark 14)

They literally came out of the ground, there's upturned dirt that indecent where they came up from. 

A bit frustrated about the whole situation, Onyx starts to search the bodies for some trinkets or keepsakes. 

Investigation 12

Looking over the zombie bodies, they seem to have very little star of items, even their clothes were rotted to near nothing but Onyx manages to find a strange medallion embedded in one of the zombie's chest area. The medallion seems to be that of a bat. 

"Let's get to town." Gotch urges the group, his familiar now on Onyx's shoulder.  "We don't want to be out here with the other undead arrive."  As his familiar sees, and reports, the symbol Onyx finds, Gotch owuld add.  "May I see that?" 

He would study the thing as they head back to town.

Arcana: 16

Onyx would pass over the medalion: “I like to collect thinks, so it would be nice to get it back later.”

The party quickly hurries after Mimer's shadow near the town, two sets of ladders are pulled and  places across the spikes and wire for a very unstable platform to get back into town. For Onyx, crossing it was with ease through the less acrobatic members take their time climbing. After making your way across, you see many of the city's guards are lined on this side of the wall. The ladders are quickly pulled back as Raynor is pulled off the leader into the platform. Several rocks with light spells on them are thrown into the field in preparation.

Mormash pulls the party down the ladders, "What happened? Mimer's shaken up. We saw the zombies but we were too far to assist in time," After getting the story of the party, Mormash nods before departing, "We not have seen any more undead or even a Ghoul but we're ready this time. Everyone who can hold a bow is near by if we're attacked. I won't mind assistance if attacked but if the Ghast appear, we will try to create a path for you to the ghast," Mormash heads back up the ladder to the platform.

Gotch takes the medallion and examine it. After a few minutes, Gotch is able to determine it to be some kind of holy symbol rather something arcane but his knowledge of religion isn't up to par to his Arcana knowledg.