GOBLIN HORDE

Randall:

Riding up with the rest of the party towards the splashing, Randall readies his shield and mace.

Syvis recoils in the sudden pain but quickly regains his focus and draws his arrows in retaliation at hostile creature.

Attack: 21 Damage: 9 + 2 (Hunter's Mark)

Attack (Dread Ambusher): 23 Damage: 7 + 5 (Hunter's Mark) 

alfa watching the battle from afar, from a safe distance

can i decide to help them fight the female manticore..

(Sorry but you are not in this campaign; you can look for campaigns that are looking for new players in the "Play by post" part of the forum ; look for those threads that say "Recruiting")

Grim casts Cure Wounds on Syvis 9

"Thanks." Syvis says to Grim, feeling the warm divine glow healing his wounds.

Petcan gestures as he runs closer to the monsters, shouting “Come fight me, you ugly whelps!” casting a warding wind around himself as he gets close.

EoT

Bow moves in such a way that he has a clear shot at the male manticore, not shooting through Petcan's wind.

He fires two quick handbow shots with his keen eye (sharpshooter):

Attack: 9 Damage: 19

Attack: 10 Damage: 20

If it is my turn, I think it is?

”Guys hold up! Manticores are slightly more intelligent, and there are three more Peryton bodies back a ways that would not only taste better, but have more meat than us! If we could direct you to the bodies, would you consider allowing us to pass?”

Randall:

Moving up to the male manticore, Randall attempts to smite him with his maces, both physical and divine, saying, “Good shooting Bow, let me cover you!”

Mace Attack Action:  Attack: 6 Damage: 8

Spiritual Weapon (Mace) Bonus Action:  Attack: 24 Damage: 10

“Nevermind! MY BAD! KILL THE LION THING KILL THE LION THING! HHHHHEEEEEEEEEELLLLLLPPPPPP!!!!! WE HAVE THE UGLIEST LION SCORPION KNOCK OFF CHASING USS TRYING TO EAT US!!”

That last bit is cutting words to try and make the second attack miss.

Cutting Words attack roll reduction: 1

Edit: Sorry Bow, I tried.

Syvis curses at the mad creature. He casts Zephyr Strike on himself (no AOO), and steps back however far away from the manticores to make some distance between him and them (65 feet).

Attack (EA): 19 Damage: 7 + 7 

Grim attacks the Manticore with Divine Smite: 22 Damage: 6 Radiant Damage 7

Petcan’s chest and neck glow with heat for a moment before twin-casting fire bolt at each of the monsters

Attack: 26 Damage: 12 

Attack: 20 Damage: 10 

Hoping the manticores are almost done Bow shoots to more quick shots with his handbow

Attack: 9 Damage: 18

Attack: 11 Damage: 20

Randall:

Having moved into melee with the male manticore, Randall allows his spectral Mace continue its assault, while he reaches out to Bow with healing energy.

Spiritual Weapon:  Attack: 12 Damage: 9

Cure Wounds on Bow:  15

Grim uses his reaction to Channel Divinity to Rebuke the Violent on the female manticore (WIS saving throw, failed throw takes radiant damage equal to damage just dealt, success takes half that)

Syvis has backed away from last round (65 feet), unless the female manticore catches up to him in which case she would get AOO from Grim, Bow and Randall.

Attack: 28 Damage: 11 

Grim Attacks the male manicore : 27 Damage: 18