Cortana (level)/Walkthrough: Difference between revisions
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This is a walkthrough for the level, [[Cortana (level)|Cortana]]. It is the penultimate level of ''[[Halo 3]]'', and arguably one of the most difficult of the franchise. This walkthrough is structured for play on [[Legendary]] difficulty with notes for lower difficulties. Your mission as stated is to find [[Cortana]] and free her from [[Gravemind|The Gravemind]] and to eliminate [[Flood|The Flood]]. For this mission, you will start out with the [[M90 Close Assault Weapon System|M90]] and the [[MA5C Individual Combat Weapon System|MA5C]]. | This is a walkthrough for the level, [[Cortana (level)|Cortana]]. It is the penultimate level of ''[[Halo 3]]'', and arguably one of the most difficult of the franchise. This walkthrough is structured for play on [[Legendary]] difficulty with notes for lower difficulties. Your mission as stated is to find [[Cortana]] and free her from [[Gravemind|The Gravemind]] and to eliminate [[Flood|The Flood]]. For this mission, you will start out with the [[M90 Close Assault Weapon System|M90]] and the [[MA5C Individual Combat Weapon System|MA5C]]. | ||
Your most valuable items here are [[Deployable Cover]]s and [[Bubble Shields]], although [[Cloaking]] is also handy but extremely rare. It is recommended that you always have a Deployable Cover with you even if you need to backtrack to grab it. [[Grenade]]s are also your friends here; plasmas are very effective against [[Flood Ranged Form|Ranged Forms]] and [[Flood Carrier Form|Carriers]], and [[M9 High-Explosive Dual-Purpose Grenade|Frags]] will thin out the herd and bring down shields on any shielded [[Combat Form]]s. Beware though, in this level, if you have bad aim here, you will be penalized. [[Flood Growth Pods]] line [[High Charity]]'s walls and if you are inaccurate you will unleash torrents of [[Flood Infection Form|Infection Forms]] that will waste valuable ammunition and kill you. | Your most valuable items here are [[Deployable Cover]]s and [[Bubble Shields]], although [[Cloaking]] is also handy but extremely rare. It is recommended that you always have a Deployable Cover with you even if you need to backtrack to grab it. [[Grenade]]s are also your friends here; plasmas are very effective against [[Flood Ranged Form|Ranged Forms]] and [[Flood Carrier Form|Carriers]], and [[M9 High-Explosive Dual-Purpose Grenade|Frags]] will thin out the herd and bring down shields on any shielded [[Combat Form]]s. Beware though, in this level, if you have bad aim here, you will be penalized. [[Flood Growth Pods]] line [[High Charity]]'s walls and if you are inaccurate you will unleash torrents of [[Flood Infection Form|Infection Forms]] that will make you waste valuable ammunition and probably kill you. | ||
[[Halo 3 Skulls|Skulls]] on this level are not the best idea for inexperienced players, but by adding Catch, it will provide you with a distinct advantage as the Flood do not use grenades, but upon death, they will almost always provide them. | [[Halo 3 Skulls|Skulls]] on this level are not the best idea for inexperienced players, but by adding Catch, it will provide you with a distinct advantage as the Flood do not use grenades, but upon death, they will almost always provide them. | ||
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As you round the corner, a few Flood Growth Pods will automatically explode. Eliminate them quickly so that they don't re-animate any bodies. Head up the sloped path to reach the chamber's upper level. Find some grenades and replace your Shotgun with an [[Type-1 Energy Weapon/Sword|Energy Sword]]. | As you round the corner, a few Flood Growth Pods will automatically explode. Eliminate them quickly so that they don't re-animate any bodies. Head up the sloped path to reach the chamber's upper level. Find some grenades and replace your Shotgun with an [[Type-1 Energy Weapon/Sword|Energy Sword]]. | ||
When you reach the [[Porta]] in the floor, drop through it and immediately take cover in the corner behind you. Stay | When you reach the [[Porta]] in the floor, drop through it and immediately take cover in the corner behind you. Stay Sharp because combat forms with human weapons will appear. Take them down with quick bursts from your MA5C, then close and finish them off with the Energy Sword. Back away slowly watching for the Carrier forms that will appear. Use grenade sticks ([[Type-1 Antipersonnel Grenade|Plasma]], [[Type-2 Antipersonnel Fragmentation Grenade|Spike]] or [[Type-3 Antipersonnel/Antimatériel Incendiary Grenade|Incendiary]]) to kill them without unleashing infection forms. | ||
===The Pelican=== | ===The Pelican=== | ||
For the next area you're going to want to be quick follow the path up and around, you should see a couple of Deployable Covers here. Grab one and make your way to the large opening to the outside. There are many Combat Forms here as well as [[Flood Stalker Form|Stalker Forms]] that like to become Ranged Forms. Load up on ammo here at the Pelican and get ready to move. You can grab the [[M7057/Defoliant Projector|Flamethrower]] here, but on Legendary difficulty you have a better chance of barbecuing yourself than the flood so leave it (Also if you leave it there now it will help you out later, seriously). From here you have a choice, you can set up your Deployable Cover and shoot out the Combat and Ranged forms, or you can run. You're going to need as much ammo as possible so while you could clean out this area (and if you're playing the [[Campaign Scoring|Meta-Game]] for points you should) you're much better off just running back in to the left and making your way to the porta and to the next area. The Flood will not follow you once the porta closes. | For the next area you're going to want to be quick follow the path up and around, you should see a couple of Deployable Covers here. Grab one and make your way to the large opening to the outside. There are many Combat Forms here as well as [[Flood Stalker Form|Stalker Forms]] that like to become Ranged Forms. Load up on ammo here at the Pelican and get ready to move. You can grab the [[M7057/Defoliant Projector|Flamethrower]] here, but on Legendary difficulty you have a better chance of barbecuing yourself than the flood so leave it (Also if you leave it there now it will help you out later, seriously). From here you have a choice, you can set up your Deployable Cover and shoot out the Combat and Ranged forms, or you can run. You're going to need as much ammo as possible so while you could clean out this area (and if you're playing the [[Campaign Scoring|Meta-Game]] for points you should) you're much better off just running back in to the left and making your way to the porta and to the next area. The Flood will not follow you once the porta closes. | ||
The room after that contains a small slope and several Infection Forms. The chamber is filled with dead [[Sangheili|Elites]] and [[Jiralhanae|Brutes]], as well as some grenades. You can throw a grenade to set off a chain reaction and weaken or kill any flood that do get re-animated. Finish them off with the Energy Sword then swap out for a new one before you drop through the hole. In the next tunnel, grab either a [[Type-2 Energy Weapon/Hammer|Gravity Hammer]] or new Energy Sword (your choice), and then drop through the hole to continue. | The room after that contains a small slope and several Infection Forms. The chamber is filled with dead [[Sangheili|Elites]] and [[Jiralhanae|Brutes]], as well as some grenades. You can throw a grenade to set off a chain reaction and weaken or kill any flood that do get re-animated. Finish them off with the Energy Sword then swap out for a new one before you drop through the hole. In the next tunnel, grab either a [[Type-2 Energy Weapon/Hammer|Gravity Hammer]] (good for clearing away Flood if you get surrounded) or new Energy Sword (your choice), and then drop through the hole to continue. | ||
===The Terminal Room=== | ===The Terminal Room=== | ||
Once you're through the hole run forward and set up your Deployable Cover, you can shoot through it with your assault rifle and it will provide you with excellent cover from the ranged floods. Draw in the combat and tank forms and finish them with the energy sword. Once you're down to just ranged forms use your assault rifle to clear out a path. | Once you're through the hole run forward and set up your Deployable Cover, you can shoot through it with your assault rifle and it will provide you with excellent cover from the ranged floods. Draw in the combat and tank forms and finish them with the energy sword (remember to lunge at there "mouths"). Once you're down to just ranged forms use your assault rifle to clear out a path. Run to the right side of the room, from there you should have good cover and a perch from which you can finish off any remaining Ranged flood on the ceiling. Switch to your Energy Sword and finish off any remaining ground level Ranged or [[Flood Tank Form|Tank Forms]] that may be present. Then stop. Back to your Deployable Cover when you look to the left of where you dropped the cover you will see a Covenant Weapons Case with a [[Type-33 Guided Munitions Launcher|Needler]] inside. Swap your MA5C for the Needler then head underneath the platform again. Here you can grab a couple Incendiary Grenades another Deployable Cover and load up your Needler. The Cortana terminal is also located here. | ||
Go forward again around the corner you will run into two Carrier forms. Stick the first one and let it blow, don't stick the second one right away. If you do you will probably end up popping some growth pods. draw the carrier forward and stick it at the location of the first carrier form to prevent any unnecessary infection form release. Bring up your Needler and edge forward. Use the Needler on the next long corridor to take out the ranged forms. It doesn't take quite an entire clip to kill but it's incredibly fast and effective so it's worth the waste. Run back to where the Cortana terminal was to reload if you need it, then head forward again. You will trigger several combat forms including several shielded ones. Use what's left of your Needler to take down their shields and finish off with the Energy Sword. A bubble shield is extraordinarily effective here because the Combat forms can't shoot at you and once they're in range of your energy sword, they're dead. Once you've cleared the area head back to the Cortana terminal and grab a [[Type-51 Carbine|Carbine]], new energy sword and the cloaking equipment. Head forward again to the next porta and get ready for another long fight. | Go forward again around the corner you will run into two Carrier forms. Stick the first one and let it blow, don't stick the second one right away. If you do you will probably end up popping some growth pods. draw the carrier forward and stick it at the location of the first carrier form to prevent any unnecessary infection form release. Bring up your Needler and edge forward. Use the Needler on the next long corridor to take out the ranged forms. It doesn't take quite an entire clip to kill but it's incredibly fast and effective so it's worth the waste. Run back to where the Cortana terminal was to reload if you need it, then head forward again. You will trigger several combat forms including several shielded ones. Use what's left of your Needler to take down their shields and finish off with the Energy Sword. A bubble shield is extraordinarily effective here because the Combat forms can't shoot at you and once they're in range of your energy sword, they're dead. Once you've cleared the area head back to the Cortana terminal and grab a [[Type-51 Carbine|Carbine]], new energy sword and the cloaking equipment. Head forward again to the next porta and get ready for another long fight. | ||