Short rest retxon.

Jyon spends 5 HD healing 19/38

5d8+10 = 29

Jyin init 15

Vex init 23

Daewen initiative: 12

14 +15 +23 +12 =64

64/4 = 16

19 +10 +18 +6 +21 = 74

74/5 = 14

Players win init that means that in this stand off, someone will have to break the init with a surprise attack. Vex could break the tension unless Daewen wants to.

If Daewen appears first, the trigger of the Readied Bless will be met and all but Dorah will have +4 to hit and saving throws from that instant forward (max 10 rounds).

The tension hung heavy in the air, a beat of silence before the tempest.  Daewen seized the advantage with a predator's ferocity.  Exploding from the shadows, she became a whirlwind of deadly precision.  Her first strike, a phantom blur fueled by years of honed skill, was aimed for Black Spider's exposed throat.  The second attack followed in a heartbeat, her other rapier a streak of silver that sought a vital point on his chest.  Finally, with a flourish that sent a shiver down the spines of even the giant spiders, Daewen unleashed a third attack, her remaining rapier a whisper of steel aimed for Black Spider's staff, the source of his dark magic.  The chamber echoed with the metallic clang of steel on armor, the surprise attack a brutal ballet of blade and shadow.  Daewen, a phantom in the aftermath, withered back into the shadows, invisible once more.

• Attack: 32 Damage: 14 + 5 sneak attack damage
• Two-Weapon Fighting Attack: 19 Damage: 11
• Dread Ambusher Attack: 24 Damage: 7 + 4 Dread Ambusher bonus damage

Black Spider got an upgrade

Quote from o_Merlin_o >>

• Attack: 22 Damage: 11 + 4 sneak attack damage
• Two-Weapon Fighting Attack: 23 Damage: 10
• Dread Ambusher Attack: 27 Damage: 12 + 7 Dread Ambusher bonus damage

Nezznar takes 15 damage, then 10 damage, then 19 damage. Nezznar Black Spider (26/70)

Round 0
Daewen Ambush

Round 1
Daewen, Wilhorn, Vex, Jyin << your turn

Nezznar (26/70)
S1, S2, S3, S4

Vex casts hunter's Mark on the lead Giant Spider (S1)

Vex hand crossbow against S1, Attack: 24 Damage: 10
Vex extra attack against S1, Attack: 15 Damage: 9

Drake Companion Reaction, Infused Strike +6 lightning damage

Dorah rushes up to S1 or S2 and bites, Attack: 18 Damage: 5

Jyin casts Spirit Guardians on himself, protective spirits phase up from beneath the ground. They flit around Jyin at a distance of 15 feet. Their spectral form appears to be fallen dwarven paladins and clerics from ages past. Some of the spirits seems to recognize Nezznar and his like.

Spirit Guardians deals damage on the start of their turn to Nezznar and all four of the Spiders, Wisdom DC 14 to take half of 20 radiant damage.

Quote from NathanAscher >>

Vex hand crossbow against S1, Attack: 24 Damage: 10
Vex extra attack against S1, Attack: 15 Damage: 9
Drake Companion Reaction, Infused Strike +6 lightning damage
Dorah rushes up to S1, Attack: 18 Damage: 5

S1 dies from 30 damage

Round 1
Vex (blessed), Jyin (blessed)
Daewen (blessed), Wilhorn (blessed) << your turn

S1 (dead)

Nezznar (26/70)
S2 (26/26)
S3 (26/26)
S4 (26/26)

Sensing Black Spider's vulnerability, Daewen reemerged from the darkness – a phantom warrior fueled by the scent of victory.  Her rapiers became a deadly blur, the first strike a whisper of steel aimed to finish him – a precise thrust aimed for his exposed neck.  The second attack followed in a heartbeat, a relentless flurry seeking to sever a vital artery.  With each blow, the air crackled with a morbid energy, the metallic clang echoing ominously in the chamber.  A moment later, Daewen vanished once more, melting back into the shadows like smoke on the wind.  Would this be the end of Black Spider's reign?

• Attack on Black Spider: 25 Damage: 8 + 5 sneak attack damage
• Two-Weapon Fighting Attack on Black Spider: 19 Damage: 14

OOC: Ummmm, not sure why it's having dice rolling issues.  When I posted it, it showed rolls.  I'm afraid if I edit it, it'll say I'm manipulating the rolls.  Just to be safe and fair, here are the two rolls over again:

• Attack: 29 Damage: 8
• Two-Weapon Fighting Attack: 26 Damage: 10

OOC: Dang it!  I forgot to roll the sneak attack bonus damage on the first attack-

Sneak attack bonus damage = 6

19 damage takes the Drow down to 7/70 hp remaining.

I will wait for Wilhorn, since this may be the last round of combat in the adventure

The Drow had twice ignored the call to disarm and surrender. There would be no more offer of mercy. Wilhorn lowers his brow and unleashes two beams of Eldritch Blast center mass into the dark elf.

Attack: 12 +1 bless Damage: 14 force.

Attack: 26 +1 bless Damage: 7 force.

(Bless counter: 2/10)

Quote from PlotArmored>>

Attack: 12 +1 bless Damage: 14 force.

Nezznar is struck with a magic blast that leaves a look of confusion and agony frozen on his face. 

Attack: 26 +1 bless Damage: 7 force.

This can strike S2 (19/26)

When the spiders start their turn in the Spirit Guardian effect, each of them fail their saves as fallen dwarven spirits enact their revenge on the underdark minions. Each Spider takes 20 damage, killing S2 and severely wounding S3 and S4. Vex and Dorah take down the two Giant Spiders with ease and there is a certain calm and break in air pressure for just a moment before the ghosts of fallen dwarves erupt in silent cheers and celebration.

Jyin embraces Vex and offers to shake everyone's hands. "We did it. We have expelled those who have no claim to this mine."

When you search Nezznar's body, it's noticable that he was not a doppleganger but in fact a real dark elf (drow). He has a small fortune of coins, a potion of healing and a spider staff

318 gp, nine different small gemstones (10 gp each), a mastercraft dwarven ale mug hammered from electrum worth 100 gp

There is a small door in the back of the alter, that leads to a sleeping chamber,

Priest's Chambers
Dusty draperies adorn the walls of this room, which also contains a bed and brazier. A badly disheveled dwarf lies bound and unconscious on the cold stone floor.

There you find a bound dwarf, "Thank the gods. I am Nundro Rockseeker. I must know, did my brother's survive?"

Having cleared out the Wave Echo Cave, you can now reunite the Rockseeker brothers.

1x Doppleganger 700 XP, 700
3x Bugbears 200 XP, 600
1x Black Spider 450 XP, doubled if the body is brought in for ransom 900
4x Giant Spider 200 XP, 800
total 3000/4 = 750XP each

Major Quest reward 200 XP each

CONCLUSION
With hard work and a little luck, the adventurers have defeated the Black Spider and undone his destructive plots, cleared Phandalin of the ruffians who threatened its people, and reclaimed the lost mine of Wave Echo Cave. Their deeds will be long remembered in this corner of the Sword Coast. In years to come, the restored mines of the Phandelver's Pact will bring great riches to Phandalin and help establish peace and prosperity in the area. Gundren and Nundro Rockseeker take over administration of the new mine. For the adventurers' service to their family, they gladly award the party a 10 percent share of the mine's profits. If the characters want to remain in Phandalin and perhaps restore Tresendar Manor or establish homes of their own, the people of the area are glad to have them stay. Even if they choose to move on in search of new adventures, they'll always have a warm welcome in Phandalin. By the end of the adventure, the characters should be 5th level. If your players wish to continue playing their characters, you can use the contents of this set to create your own adventures; the mysterious map found in Mormesk's Chest provides one possible adventure hook, but feel free to explore other ideas using the monsters, magic items, and locations in this adventure. If you want to create adventures for characters higher than 5th level, you'll need the basic rules online or the advanced rulebooks: the Player's Handbook, Dungeon Master's Guide, and Monster Manual ;)

Feel free to roleplay a bit in the dugeon, reuniting the Rockseeker brothers, repairing the spell forge, returning to Phandalin, planning the next quest, downtime, or establishing the lifetime of retiring in the manor... PM for more

A ghost of a smile touched Daewen's lips, invisible even in the dim light of the brazier.  Her companions, weary but triumphant, shared relieved glances and exhausted laughter.  It had been a long, arduous journey, fraught with danger and loss.  But they had persevered, their bond forged in the fires of battle.  Daewen raised her hand in a silent gesture of respect, a subtle twitch of her fingers the only acknowledgement of their shared victory.

This place, Phandalin, with its warm hearths and simple joys, held no allure for her.  Her path lay in the shadows, her allegiance to a far darker power.  With a final, lingering glance at her companions, Daewen slipped seamlessly back into the shadows.  The faintest whisper of a raven's call echoed in the chamber, a signal answered.  As she dissolved into the inky blackness of the Shadowfell, Daewen's mind was already abuzz with the tales she would weave for the Raven Queen – tales of courage, sacrifice, and the flickering light of hope that even the darkest corners of the world couldn't extinguish.  These were the stories that fueled her mistress, and Daewen, the silent observer, would return them in full measure.  Her journey in this realm was complete, but countless others awaited in the endless shadows.  The dance of life and death continued, and Daewen, the phantom warrior, would be there to witness it all.