Distance 50ft;

Rnd 1

Felix Initiative: 24 Speed 30; AC 21; HP 53/53; Beak Initiative: 17 Speed 10/60; AC 13; HP 1/1; Adus Initiative: 11 Speed 30(Dire Wolf 50); AC 17; HP 49/49;   Talon Initiative: 10 Speed 10/60; AC 13; HP 1/1; HE1 Initiative: 5 Speed 30; AC 16; HP 136/136

Felix moves 30ft;

Rnd 1

Felix moves 30ft forward and Felix Bonus Action Cast Hex, At HE1 Cast Eldritch blast, Beam #1 at HE1:  Attack: 26 Damage: 8 (Force Damage (Rng 120ft)) + 6 (Necrotic Damage (Rng 90ft)) = 14 or half (7); Cast Eldritch blast, Beam #2 at HE1:  Attack: 19 Damage: 12 (Force Damage (Rng 120ft)) + 2 (Necrotic Damage (Rng 90ft)) = 14 or half (7); Beak Helps; Adus Moves 45ft forward and Conjured Animals 30ft forward; Adus Dire Wolf From Bite Attacks HE1: 21 Damage: 16 (Piercing damage, and the target has the Prone condition if it is Huge or smaller.) or half (8); Damage: 8 (Piercing Damage Prone on hit) or half (4); Crit Damage: 22 (Piercing Damage) or half (11); Bite Attack Adus: 19 Damage: 16 (Piercing Damage) or half (8); Claw #1 Attack Adus: 22 Damage: 10 (Piercing Damage) or half (5); Claw #2 Attack Adus: 16 Damage: 14 (Piercing Damage) or half (7)

Rnd 1; Felix hits with the 2 Eldritch blasts for 28 dmg; Adus connects for 16 dmg;

Felix Initiative: 24 Speed 30; AC 21; HP 53/53; Beak Initiative: 17 Speed 10/60; AC 13; HP 1/1; Adus Initiative: 11 Speed 30(Dire Wolf 50); AC 17; HP 49/49;   Talon Initiative: 10 Speed 10/60; AC 13; HP 1/1; HE1 Initiative: 5 Speed 30; AC 16; HP 92/136

Rnd 2 Stench save for Adus; 24  Adv from Antitoxin; Felix is 30ft away still;

Rnd 1; Felix hits with the 2 Eldritch blasts for 28 dmg; Adus connects for 16 dmg; Adus took 20 dmg from HE1; Adus had 12 thp so 8 dmg;

Felix Initiative: 24 Speed 30; AC 21; HP 53/53; Beak Initiative: 17 Speed 10/60; AC 13; HP 1/1; Adus Initiative: 11 Speed 30(Dire Wolf 50); AC 17; 41/49;   Talon Initiative: 10 Speed 10/60; AC 13; HP 1/1; HE1 Initiative: 5 Speed 30; AC 16; HP 92/136

Rnd 2 Adus saves vs Con DC 14 with a 24;

Felix moves 15ft forward now melee tank and Felix Bonus Action Maintain on HE1; Hex,   Cast True Strike, Adamantine Longsword(Sap) Attack HE1: 16 Damage: 13 (Slashing Damage) + 11 (Radiant Damage) + 10 (Necrotic Damage) = 34 or half (17); Beak Helps; Adus in Melee moves Conjured Animals 15ft forward Damage: 21 (Slashing Damage Dex save DC 14) or half (10); HE1 Dex Save 20 vs DC 14; Adus Dire Wolf From Bite Attacks HE1: 24 Damage: 16 (Piercing damage, and the target has the Prone condition if it is Huge or smaller.) or half (8); Damage: 10 (Piercing Damage Prone on hit) or half (5); Crit Damage: 18 (Piercing Damage) or half (9); Bite Attack Adus: 20 Damage: 17 (Piercing Damage) or half (8); Claw #1 Attack Adus: 25 Damage: 7 (Piercing Damage) or half (3); Claw #2 Attack Adus: 23 Damage: 8 (Piercing Damage) or half (4)

Con save for Felix for Next round 23

Rnd 2; Felix hits with his adamantine LS for 34 dmg; Adus' Conjured Animals do 10 dmg; Adus connects for 16 dmg; Adus took 15 dmg from HE1; Adus had 12 thp so 8 dmg;

Felix Initiative: 24 Speed 30; AC 21; HP 53/53; Beak Initiative: 17 Speed 10/60; AC 13; HP 1/1; Adus Initiative: 11 Speed 30(Dire Wolf 50); AC 17; 26/49;   Talon Initiative: 10 Speed 10/60; AC 13; HP 1/1; HE1 Initiative: 5 Speed 30; AC 16; HP 32/136

Felix saves vs Con save DC 14 with a 23;

Rnd 3

Felix melee tank and Felix Bonus Action Maintain on HE1;Hex, Cast True Strike, Adamantine Longsword(Sap) Attack HE1: 24 Damage: 14 (Slashing Damage) + 9 (Radiant Damage) + 3 (Necrotic Damage) = 26 or half (13); Beak Helps; Adus in Melee moves Conjured Animals now melee Damage: 20 (Slashing Damage Dex save DC 14) or half (10); HE1 Dex Save 14 vs DC 14; Adus Dire Wolf From Bite Attacks HE1: 20 Damage: 10 (Piercing damage, and the target has the Prone condition if it is Huge or smaller.) or half (5); Damage: 13 (Piercing Damage Prone on hit) or half (6); Crit Damage: 21 (Piercing Damage) or half (10); Bite Attack Adus: 25 Damage: 14 (Piercing Damage) or half (7); Claw #1 Attack Adus: 22 Damage: 11 (Piercing Damage) or half (8); Claw #2 Attack Adus: 9 Damage: 10 (Piercing Damage) or half (5)

Felix and the Conjured animals do 35 dmg killing off the beast;

1x Hezrou' CR 8 (3,900 XP)
Horns of the Beast Rewards (3,900 XP, coin stash 975 gp)

Temple Treasure
Melchis has on his dead body a Bag of Holding containing twelve 5-pound gold trade bars (worth 250 GP each) and a Spell Scroll of Teleportation Circle. The scroll also contains the sigil sequence for a permanent teleportation circle. At the end of the adventure, each character earns a bonus 1,000 XP.

Identifying the Artifact
The Horns of the Beast can be destroyed only by dropping it in the River Oceanus, which flows through the Upper Planes.

Each get 2950 xp, each get 1112 gp 5 sp They sell the bag of holding 400gp or 200gp each more.  Felix takes the Scroll of Teleportation Circle to use somewhere with the Sigil;

Felix hangs onto the horns of the Beast and the Teleportation Circle; He will work with the town mystic/wizards to figure out the best use or disposal of the items.