Note: I may have added some more to the above post AFTER your last post.
Taresh--Current HP: 45, Temp HP: 0. Ki: 7
Skeev--Current HP: 31, Temp HP: 0
Nightmare--Current HP: 71
Acrobatics - (1d20+4)
(5) + 4 = 9
Reaver to hit (advantage) - (2d20H1+6)
(85) + 6 = 14
Reaver damage - (1d6+4+2)
(3) + 6 = 9
Hex damage - (1d6)
(6) = 6
Nightmare: Tentacle Attack-Taresh - (1d20+5)
(2) + 5 = 7
Nightmare: Tentacle Damage-Taresh - (2d6+5)
(32) + 5 = 10
Nightmare: Claw Attack-Admiral - (1d20+6)
(14) + 6 = 20
Nightmare: Claw Damage-Admiral - (2d6+5)
(33) + 5 = 11
Taresh Wisdom Save (DC 15) - (1d20+2+3)
(15) + 5 = 20
Skeev: Wisdom Check (DC 15) - (1d20+2+3)
(4) + 5 = 9
Taresh: Firebolt Attack - (1d20+2)
(3) + 2 = 5
Taresh: Firebolt Damage - (1d10)
(2) = 2
Wisdom save - (1d20+3+3)
(5) + 6 = 11
Constitution save - (1d20+1)
(15) + 1 = 16
Wisdom save - (1d20+3+3)
(18) + 6 = 24
Nightmare: Tentacle Grapple (Admiral) w/disavantage due to Taresh's attack - (2d20L1+5)
(1816) + 5 = 21
Taresh: Martial Art Kick (multi-attack 1) - (1d20+6)
(19) + 6 = 25
Taresh: Martial Punch Kick (multi-attack 2) - (1d20+6)
(16) + 6 = 22
Taresh: Acrobatics (leap onto Nightmare DC 15) - (1d20+6)
(14) + 6 = 20
Taresh: Improvised weapon attack - (1d20+1)
(12) + 1 = 13
Skeev: Wisdom Check (DC 15) - (1d20+2+3)
(7) + 5 = 12
Taresh: Kick Damage - (1d6+3)
(3) + 3 = 6
Taresh: Punch Damage - (1d6+3)
(1) + 3 = 4
Taresh: Improvised weapon Pick-axe Damage - (1d4+1)
(4) + 1 = 5
Reaver to hit - (1d20+6)
(12) + 6 = 18
Reaver damage - (1d6+4)
(3) + 4 = 7
Hex damage (Reaver) - (1d6)
(1) = 1
Defender Shortsword to hit - (1d20+4)
(9) + 4 = 13
Defender Shortsword damage - (1d6)
(5) = 5
Hex damage (Defender Shortsword) - (1d6)
(1) = 1
Nightmare: Claw Attack-Taresh - (1d20+6)
(18) + 6 = 24
Nightmare: Claw Damage-Taresh - (2d6+5)
(24) + 5 = 11
Taresh: Acrobatics - (1d20+6)
(17) + 6 = 23
Taresh: Maggic Missile Attack - (1d20+2)
(8) + 2 = 10
Taresh: Magic Missle 1 Damage - (1d4+1)
(3) + 1 = 4
Taresh: Magic Missle 2 Damage - (1d4+1)
(3) + 1 = 4
Taresh: Magic Missle 3 Damage - (1d4+1)
(3) + 1 = 4
Skeev: Wisdom Check (DC 15) - (1d20+2+3)
(14) + 5 = 19
Defender Shortsword to hit - (1d20+4)
(1) + 4 = 5
Defender Shortsword damage - (1d6+2)
(4) + 2 = 6
Hex damage (Defender Shortsword) - (1d6)
(2) = 2
Reaver to hit - (1d20+6)
(6) + 6 = 12
Reaver damage - (1d6+4+2)
(5) + 6 = 11
Hex damage (Reaver) - (1d6)
(5) = 5
Acrobatics - (1d20+4)
(3) + 4 = 7
Taresh: Firebolt Attack - (1d20+2)
(8) + 2 = 10
Taresh: Firebolt Damage - (1d10)
(5) = 5
Skeev: Dagger Attack - (1d20+5)
(16) + 5 = 21
Skeev: Dagger Damage - (1d4+3)
(2) + 3 = 5
Nightmare: Claw Attack-Admiral - (1d20+6)
(5) + 6 = 11
Nightmare: Claw Damage-Admiral - (2d6+5)
(65) + 5 = 16
Reaver to hit - (1d20+6)
(11) + 6 = 17
Reaver damage - (1d6+4+2)
(2) + 6 = 8
Hex damage (Reaver) - (1d6)
(3) = 3
Defender Shortsword to hit - (1d20+4)
(12) + 4 = 16
Defender Shortsword damage - (1d6+2)
(2) + 2 = 4
Hex (Defender Shortsword) - (1d6)
(3) = 3
Skeev: Dagger Sneak Stab Attack - (1d20+5)
(9) + 5 = 14
Skeev: Dagger Regular Damage - (1d4+3)
(2) + 3 = 5
Skeev: Dagger Sneak Attack Damage - (2d6)
(54) = 9