Chapters 1, 2, and 3
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The creature cackles madly, "Your life force is exactly what I need to free myself from this prison!" and with that leaps toward the Tikbalang.
And, yes, Soliin can actually hide behind Mai'ngor

Mai'ngor chants:
Spirits of wind, make swift my hooves,
Lords of lightning, make mighty my arm,
Spirits of the great balete tree, make stalwart my heart,
Bathala, sky-father, grant me an honorable death.
-Move to engage wraith.
-Action to attack with magic sword.
-Opening PHB to roll new PC.
Rolls
Attack roll - (1d20+5)
(1) + 5 = 6
Spending Inspiration to reroll attack, if you'll allow. - (1d20+5)
(19) + 5 = 24
Damage - (1d6+5)
(2) + 5 = 7
Everyone above can hear the combat start and the creature wail. The terribly sound sends shivers down their spines.
Wraith: 7 damage
She dashes downstairs, mentally preparing her spell.
Rolls
Stealth - (1d20+7)
(14) + 7 = 21
Attack - (1d20+5)
(20) + 5 = 25
Attack + Sneak Attack - (1d6+5, 1d6)
1d6+5 : (6) + 5 = 11
1d6 : (5) = 5
Crit damage dice - (2d6)
(66) = 12
Rolls
Magic Missile vs Wraith - (3d4+3)
(124) + 3 = 10
Rolls
Attack - (1d20+4)
(1) + 4 = 5
Attack! (w/pack tactics advantage) - (1d20+4)
(10) + 4 = 14
Damage - (2d4+2)
(22) + 2 = 6
Hunter's magical bolts slam into the creature, causing it to diminish a bit.
Xeliss comes down the stairs at a run and grabs hold of one of the wraith's arms, yanking on it as hard as she can.
Wraith: 34 damage
I'll give a bit more time for responses if someone else wants to join.
You all hear a familiar voice in your head, "Please, in the sarcophagus, I can help you!" and the sarcophagus is open and close enough for anyone to reach into.
Round 2 Start with the players
Wraith: 34 damage
Rolls
Wraith attack - (1d20+6)
(6) + 6 = 12
Rolls
Attack - (1d20+7)
(10) + 7 = 17
Damage - (1d6+5, 1d6)
1d6+5 : (6) + 5 = 11
1d6 : (5) = 5
You are all bathed in bright sunlight as it flares to life and the wraith shrieks in pain at the sudden illumination.