The Coven of Isha is a secret pact between some members of the Ordo Xenos and the ancient Farseer Eldrad Ulthran of Craftworld Ulthwé. According to the Coven's librarium, the information provided by the Eldar through this pact has been linked to a number of disastrous events that engulfed the Imperium of Man, including the Sanapan Scouring, the Mortis Annihilation, the Third Coming of Orian and the First War for Armageddon. The Coven has rarely been invoked, for the Eldar rarely require the help of the Imperium, and the Imperium never looks toward xenos for help. The most recent time that the Coven was activated was when Deathwatch Space Marines from the Ordo Xenos had to help the Craftworld Ulthwé to counter the Dark Eldar's recent raids that took many Ulthwé prisoner to Hesperax, the homeworld of Lelith the Wych Queen. The prisoners were taken to be slain in Hesperax's gladiatrix games.

The great Eldar Farseer Eldrad Ulthran had created a special Wraithbone chamber hidden aboard the Inquisition's secret space station located in the Ramugan Sub-sector for the Ordo Xenos which could be used for communication between the Inquistion and the Seer Council of Ulthwé. The Inquisitor Lord Seishon was summoned there to hear the request of Ulthran that the Imperium aid the Eldar in securing Craftworld Ulthwe by recovering a lost Eldar relic. The Inquisition's Ramugan space station had stood for millennia, and dated back to the time of the Great Crusade when the Emperor Himself was still actively leading the Imperium. The station was home to delegations from the three main branches of the Inquisition: the Ordo Xenos, the Ordo Hereticus and the Ordo Maulleus.

The Seer Council of Ulthwe was convinced to accept aid from the "Mon-keigh", an action that some members of the Council, such as Ruhklo, saw as an insult, but the Emerald Seer Thae'azki and the Seer Eldressyn, who had been chosen to serve on the Council by Ulthran himself, insisted on accepting the humans' aid. At last the decision was made. A Deathwatch Kill-team departed from Ramugan on the Lance of Darkness frigate by order of the Ordo Xenos to recover the relic for the Eldar and uphold the Coven of Isha. The Kill-team included the excellent Astartes from some chapters, Emperor's Champion captain Octavius originally come from Imperial Fists, chaplain Luthar from Revilers Vigilant, librarian Ashok from Angels Sanguine, librarian Atreus of Blood Ravens, Kruidan of Mantis Warriors, the Iron Father Sulphus from Red Talons and Pelias, Sergeant of the Black Consuls. They soon join a conflict against a Dark Eldar's raid. Realising the Guardian of Ulthwe were such wimps, and the darkned soul of Ulthwe's citizen, they barely had a gut to stand a ground and will retreat when aid come, even from the "mon-keigh". Next, they followed the request to patrol the Khalandhriel’s Hall of Ulthwe from warlock Shariele, and confronted some Dark Eldar troops there. Abruptly, Ashok dissapered, it later to show up that he was ordered by Lord Inquisitor Seishon to find the Infinity Circuit of Ulthwe and set up a beacon there so that the Inquisition can keep track of Ulthwe should it depart, and he successed. However, he was captured, disabled and taken to Hesperax by the Ulthwe's seers as a "gift", a secret bargain between the Emerald Seer Thae'azki and Lelith.

After wrecking havoc on the raid, the Deathwatch Kill-team was summoned to the seer council and was allowed to patrol the space and find traces of Dark Eldar movements. The Lance of Darkness depart, bringing the whole team and two accompanied Eldar, warlock Shariele and Shining Spears's Exarch Dhrykna. They soon find a squadron of Dark Eldar Corsair-class Escort, and gave a chase. The Corsairs were no match for the Lance of Darkness, and only one of them escaped the assault, by order of Captain Octavius so that they can find the Dark Eldar's base. The survival Corsair fled home, it fly through a warp gate that was camouflage as a asteroid. Soon after pass through the warp gate, Octavius found Hesperax. He risk landing on the planet, wisely divided his team to two Thunderhawks and set to the planet's surface. The first Thunderhawk was under command of Kruidan, and the second was commanded by Octavius. They dipped in to the planet atmosphere. The Kruidan group landed first, and was ambushed by hundreds of Dark Eldars, Kruidan used his jet pack to repel the arriving enemy and bombing them from the sky. His squad fight fiercely, but was overwhelmed by waves after waves of the darklings, to the point that they were crushed and taken prisoner, Kruidan was shooted down and hurted, his Power Amour broke at his back. The Octavius group wasn't better, his Thunderhawk crushed down, and by the time they were able to stand up, they was surrounded. They were "gifted" to the darkling by the treacherous Emerald Seer Thae'zaki, a secret bargain between her and Lelith the Wych Queen, to lure and trap some "mon-keigh" warriors to serve in the Hesperax's gladiatrix. This was predicted by Eldrad Ulthran long ago, and he directed this for his bigger achives.

The whole kill-team and two accompanied Eldar warriors were taken to the bridge. Their captors hadn’t even bothered to remove their power armour. Instead, the dark eldar had simply shackled the ankles and wrists of the Marines, pulling them tight against the wall. There was not a chain or a lock in the Imperium that could restrain a Space Marine in full combat armour, but these shackles were made of a material that they had never seen before — they appeared to be made out of the darkness itself. Kruidan was badly hurted and the darkling mended him to some point so that he can stand and fight in the next round of the gladiatrix. Octavius was angered by the view of some remaining of human limbs and power armour remmants, evidences of operated and exploited body of his suffered brothers Space Marine that was there before. No Deathwatch was taken here, though. Later, the two Eldar warriors were cut down and taken to the Gladiatrix to fight for entertaiment of thousand blood-thirsty Dark Eldars. With bare hand, they fought valiantly against three mounted Wyches. Shariele was able to kill one of the Wych and died, his soulstone ruined in combat. The Shinning Spear'sexarch Dhrykna still fight on. The whole Deathwatch kill-team was dragged here to see the show, with some locks on their bodys and they had to moved with extreme difficulties. At there they reunited with librarian Ashok, who was put in a hard cage. Shortly later, their body's locks were removed so that they would fight next.

In a room, Lelith meet the Slaanesh's Daemon Prince( who appered to be a immaculate princess with breathtaking body). The Daemon princess seduced Lelith, the one who dared to toyed with Slaanesh's daemon, so that the Wych Queen would gather more souls to bring the princess( and her minions) into the materium realm. After a while, Lelith took her seat in the arena, with two other Eldarseers that was tasked with taking the temporarily disabled Ashok( though later Lelith informed them that they were sold goods, too). The old seer Bhurolyn and the young Xhelkisor were shocked, and Bhurolyn slammed into the ground. But he immediately realised that Eldrad Ulthran would never betrayed him, and could it be himself was meant to be a last surprise for Lelith? The old seer punched forward and sent a javelin of power crackling through the arena. It slammed into the massive, slowly opening doors and blew them apart, shattering them instantly and sending shards of metal and masonry flying around the amphitheatre like hail caught in a hurricane.The crowd went wild.

Dhrykna dashed over to aid the two seers. The Deathwatch crushed the

  • Warrior Coven (Novel) by C.S. Goto, pg. 12
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