Osiris
From Halopedia, the Halo wiki
This article is about the campaign level. For the Spartan-IV team, see Fireteam Osiris.
Osiris is the first campaign level of Halo 5: Guardians. Completing the level grants the player the achievement "Into the Fire". During the level, commanding other members of Fireteam Osiris grants the player the achievement "Your Team is Your Weapon". Assisting the Sangheili Warrior with charging the hill on Heroic difficulty rewards the player with the achievement "Enemy of my Enemy". ContentsTranscript[edit]{Cutscene} Fade in to an ONI facility. Dr. Catherine Halsey walks down a walkway in the middle of a dark circular room, lined by tall black monoliths. Reaching its end, Halsey places her left hand on a scanning panel and the door opens to let her into her lab. Inside, Debussy's Prelude No.4 is softly playing. As she passes her desk, Halsey sets her journal on it. The desk is adorned with books, ONI paper files, an active holoscreen, and a framed photo of Miranda Keyes. Nearby is a hologram of a human brain. Halsey reaches into the wall and pulls out an armored matrix. She then heads to the far end at the lab, where there is a glowing blue holotank.
Halsey plugs the armored matrix into the holotank. Standing on it is a projection of a blue woman, Cortana.
Halsey smiles at her AI and Cortana smiles back.
Halsey turns the handle of the matrix in the tank. Cortana's hologram vanishes as she's transferred to its chip.
The room darkens and Halsey's smile fades.
Cut to black {Cutscene} Fade in to Jameson Locke's helmet, lying on a seat inside a Pelican's troop bay. Cut to the Microsoft Studios logo. A rotating cylindrical holotank lowers from the ceiling. It activates, displaying several holographic photos of destruction on several human colonies. Cut to the 343 Industries logo. Cut to the Pelican bay. Members of Fireteam Osiris are looking at the holotank. An additional screen appears on it as Thomas Lasky begins his transmission.
Olympia Vale stands up. A 3D portrait of Catherine Halsey appears on the holotank.
Edward Buck scratches his chin.
Holly Tanaka passes an M6H magnum to Vale as they look at the holotank. Another screen appears on it as Sarah Palmer joins in. Locke stands up as the holotank shows battle plans for Kamchatka.
The hologram of the Kamchatkan mountain ranges disappears, and a Sangheili hologram replaces it.
The holotank shuts down.
Vale activates her Artemis Tracking System.
Tanaka grabs her helmet from the overhead compartment and approaches the center of the Pelican.
Buck stands and picks up his M45 shotgun, cocking it and holstering it on his back.
Buck chuckles. Locke turns to the others.
Locke turns around and opens the troop bay door. Vale and Tanaka put on their helmets and jump. Buck smiles and passes Locke his helmet before putting on his own helmet and jumping off the Pelican. Locke puts on his helmet, turns around, and jumps. He joins the others in the sky. Cut to black:  Open to the four Spartans in free fall. Covenant starships are massed beneath, engaged in battle. The Spartans zoom through the fleet, passing enormous corvettes, carriers and other warships, aiming for the mountain range below.
Tanaka crashes into a Banshee, which explodes near Buck. He narrowly dodges the explosion while Tanaka's energy shields flicker and recharge.
A Forerunner mountain platform is shot down and shatters.
The Spartans pass the falling rubble, "flying" close along the mountain slope. Thrusters on their suits control their fall.
The Spartans orient themselves feet first to land.
The Spartans tuck and roll upon hitting the ground, propelling their freefall momentum forward. They rush down a mountain slope into a snowy valley filled with Covenant infantry and vehicles. Buck and Vale fire into a Sangheili Zealot and Unggoy Storm with their shotgun and assault rifle, while Locke leaps ahead and ground pounds a Wraith and two more Zealots, overturning it and stunning the Sangheili. Buck and Vale finish them off while Locke lands and takes out an Unggoy with a Needler. Buck and Tanaka leap into the air and perform two ground pounds, blasting away more Covenant. Tanaka shoulder-bashes, a Sangheili and Kig-Yar, smashing them both through a boulder which shatters on impact. Locke shoots away a Kig-Yar while Tanaka fires her SMG, jumping onto and over a Wraith. Her teammates join her in picking off Covenant, some chasing them in floating vehicles. A Phantom floats ahead of them and fires at the Spartans with its chin mounted turret. Flying low to the ground, it scrapes a hill, and Vale uses its momentary confusion to leap onto its open bay doors and rush inside. Vale knocks two Kig-Yar aside and charges at a Zealot and a Warrior. Both swing their energy swords at her, but she jumps onto the Zealot's arm and forces its blow into the Warrior, damaging its shields and briefly stunning it. The Zealot is then pushed into the Warrior as Vale turns to face the Kig-Yar. Vale punches one of the Kig-Yar in the face and shoots another with her pistol. She kneels to make the charging Zealot trip over her, then stands up to fire her pistol repeatedly into the Warrior's chest and head. She then kicks it and a Kig-Yar out of the Phantom, the latter screaming as it falls. The two hit the ground, Buck running over them as he takes out an Unggoy and a Sangheili with two shotguns blasts. Locke keeps pace to his right, and they leap off a cliff into the Covenant below. Buck ground pounds a lance of infantry, and Tanaka grabs an Unggoy by the face while firing her assault rifle at a Kig-Yar. An Unggoy wielding a Needler lunges at her, but Tanaka catches it, throws it behind her, and shoots it away. Promethean constructs can be seen fighting the Covenant now. Ghosts rush past firing at Soldiers and Knights, while Phaetons battle the Phantoms overhead. Locke leaps over a pair of Ghosts and pulls the driver out of one of them. A Phantom, the one carrying Vale, flies low and crashes into a Phaeton, wrecking both vehicles and killing the remaining Zealot onboard. Vale jumps out and uses her SMG to finish off a Soldier. It disintegrates into orange and grey ash.
The four turn to face behind them, seeing one of the blockade runners crashing at the peak of the valley they're in. It hits the ground and begins sliding toward them, bringing an avalanche with it.
The Spartans turn and run from the incoming starship, Vale picking off a Kig-Yar and Buck finishing off a Soldier and Zealot. They run down the increasingly steep slope as fast as they can, but the crashing ship is coming closer. As they approach a sheer cliff, Locke lands and rejoins them. Fireteam Osiris assembles and leaps off the cliff with the burning wreck behind them. FIRETEAM OSIRIS[edit]Cut to Locke/Buck/Tanka/Vale's point-of-view, as the Osiris Spartans slide down the cliff, which leads to a small canyon with Covenant below. Buck lunges at a Sangheili Storm, knocking it over and stabbing it in the throat with his combat knife. He then flings its energy sword to Locke's hand. Another Storm roars and attacks Locke, but the Spartan stabs the sword in its throat. Vale shoots and kills a third Sangheili to his left. Tanaka ambushes a fourth Sangheili on the far left, clubbing it in the head with her weapon and then snapping its neck, but there are still plenty of Covenant ahead of them.
Locke looks up to see a fragment of the blockade runner falling and crashing into the ground, its impact killing almost all the Covenant there. Only a weakened Commander, Sangheili Storm, and Unggoy Imperial are left, who die shortly thereafter. {Gameplay}
If the player stalls.
The team leaves the crash site and travel along an icy path. It overlooks a valley where Phantoms and other Covenant ships fight Promethean forces. Plasma fire and hard light rounds fly everywhere. A Phantom passing nearby the path that Osiris is on is hit by Forerunner cannon fire, exploding immediately afterwards.
The Spartans come to a site where Covenant infantry try to hold off attacking Promethean Crawlers. A Crawler lunges at a Kig-Yar, who knocks it aside with its shield. On a nearby ridge, a pair of Crawlers savagely tear an Unggoy apart. A Spirit disgorges more Covenant soldiers further back. The Spartans begin clearing out the hostiles.
The Spartans kill all the Covenant and Prometheans.
If the player stalls.
If the player stalls further.
Locke approaches a hill, where Promethean Soldiers appear then vanish away.
He chases the Soldiers, but they phase through a wall of icicles and ice stalagmites, too dense to walk through.
Or
Locke gets a running start and smashes through the ice. His fireteam follows and they engage the Soldiers. The Spartans come to another valley where there is a heavy presence of Prometheans, including several Soldiers with lightrifles.
After a protracted battle, the Spartans kill their enemies and move into the Forerunner structure at the end of the valley.
If the player stalls.
A transmission appears on their HUDs, marked "intercepted".
If the player stalls further.
Osiris arrives in a circular Forerunner room, with many doors and a small platform near the roof.
If the player stalls.
If the player stalls further.
The player climbs up to a floating structure and activates the Artemis scanning system.
The room shakes and the floating structures move. A glowing symbol appears and a door on the ground floor opens. The Spartans pass through to a rocky cave.
If the player heard the previous Elite's transmission.
An enormous mechanical leg passes over a hole in the cave's wall.
If the player stalls.
The Spartans pass through the cave and arrive at a hill, where Covenant infantry are unsuccessfully trying to break through Promethean forces.
or
The Kraken is nearby, firing down with its turrets while Prometheans in the distance attack it.
A Sangheili Warrior leads the Covenant infantry.
Osiris kill numerous Covenant and Prometheans and advance up the hill. More Soldiers hold position near a temple entrance. The Kraken rumbles and begins to march away.
With the Kraken gone, Osiris eliminates the remaining Prometheans guarding the temple.
If the player stalls.
If the player stalls further.
The Spartans enter the temple and head up a hallway to its interior.
The Spartans arrive a door leading deeper in. Halsey's Debussy music is faintly audible inside. Locke approaches the door. It opens, and they see a large circular room, and a Promethean Knight, roaring at Covenant attacking it. The Covenant forces shoot off its armor and badly damage it.
or
The Spartans head inside, where they witness a large Promethean force consisting of Knights and Crawlers overwhelm the Covenant position near the far doorway. As the Spartans kill the Forerunner constructs, more teleport in.
If the player stalls in killing the Knights.
The Spartans eventually kill all enemies in the room.
If the player stalls.
Osiris approaches the exit door. Fade to black. {Cutscene} Osiris assembles at the exit door as it opens to reveal the entrance to Jul's balcony. The four Spartans head down the hallway, weapons at ready. Cut to bird's-eye-view of the temple balcony. Zealots stand guard and a Phantom holds position near the balcony. Jul paces in the center while Halsey reads her data pad.
Cut to Osiris heading down the hallway. Tanaka raises her assault rifle to guard the rear while the others reach cover to prep for attack.
Cut to Locke's POV, as he watches Jul circling Halsey and the guards around them.
Buck sneaks forward and raises his scoped-on lightrifle. He aims it at a Zealot's head.
Vale hides behind a barrier and watches a guard to her left.
Halsey sighs frustratedly and starts backing away.
Locke, kneeling, turns his head to Buck and nods. Buck fires his lightrifle, and the targeted Zealot falls. Tanaka turns forward and fires her assault rifle, while Locke dashes to the balcony center, punching away guards and heading straight for 'Mdama. Vale jumps up to a Zealot guard and leaps off of his head. She lands behind it and the Sangheili chases her while she shoots it with her pistol. When he gets close, Vale flings him off the balcony and the Zealot falls to his death. Mdama pushes Halsey away and draws his energy sword.
Locke, watching Tanaka fight the guards, turn to face 'Mdama. Halsey looks back at Locke worriedly. Locke charges at 'Mdama, then ducks and slides when the Sangheili swings his sword, slashing the Sangheili's stomach with his combat knife. Locke uses his thrusters to abruptly stop his momentum before stabbing 'Mdama in the chest, stunning him. Locke swings around and jumps on 'Mdama's back. 'Mdama tries to shake him off, but Locke stabs him in the neck, 'Mdama groaning in pain. Cut to Buck hitting a Zealot in the face with his lightrifle before kicking it away. Vale thrusts into the air, gunning down another Zealot with her magnum. Tanaka surveys the site with her assault rifle.
Locke gets off 'Mdama and pulls out his knife as the Covenant leader falls dead. Locke steps away and turns to face Halsey.
Level ends. Trivia[edit]Easter eggs[edit]
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Production notes[edit]
Miscellaneous[edit]
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