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Image credit:'s Guide to Professor Putricide


Professor Putricide is the final boss in the Plagueworks. He's kind of the R&D guy for the Lich King's slime armies. If you recall from fighting Rotface, Putricide is the guy who's constantly screaming about what good news it is that the slime is working again. Frankly, I'm mostly motivated to kill the guy to get him to shut up about the slime.

Putricide is a movement fight. There are a lot of mechanics that will require your raid to rapidly swap targets (to kill adds) and then not stand in stuff (most of the stuff you'll not be standing in is one variety of slime or another). It's not really much of a coordination fight, per se, because your tanks are probably pretty well-versed in swapping aggro back and forth. However, Putricide is going to put to the test your raid's ability to get on an add quickly. And not stand in stuff.

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For your 10-man raid makeup, you'll be aiming for two tanks in 10 man. You'll want either two or three healers, with the rest of your raid being DPS characters. Whether you need two or three healers will depend on how sturdy your tanks are, as well as how awesome your raid healing is -- use your best judgement here.

In 25-man, you'll need a main tank, two off tanks and about twice as many healers. One of your off tanks is going to have a special challenge in this fight, as he or she will have to pilot an abomination.

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General strategy

There are three basic phases to the Putricide fight. You get into the second phase when the Professor is at 80% health. The third phase begins at 35%. When the phases turn over, you'll get hit with Tear Gas, which will stun your entire raid while Putricide makes a dive for his chemical table.

As soon as the first phase starts, have your off tank run directly for the table and immediately take over the Mutated Abomination. You do that by right clicking the table. The abomination is going to put out constant damage to the raid via Mutated Transformation, but the Abomination's ability to eat slime will make up for that detriment.

Throughout the fight, Putricide will lob out ooze to the raid. The Slime Puddles are bad news, doing significant damage to anyone who has the misfortune of standing in them. (So don't stand in the ooze.) The Abomination has the ability to eat the slime puddles, which will both provide power to the Abomination and decrease the size of the puddles. If the puddles grow too large, then your raid won't have anywhere to safely stand. Every time the Mutated Abomination eats a slime, it'll pick up the Energy required to fuel Regurgitate Ooze, which will slow down the two adds that appear.

In first two phases, Professor Putricide will summon two different types of adds. The raid warning will call out an Unstable Experiment when it's time for the add to appear. This happens about once every 40 seconds. The two types of adds are Volatile Ooze and Gas Cloud. The Oozes appear in the north portion of the room, where they leak from the ooze tank. Gas Clouds appear on the opposite side in the south. Both adds will choose a target and crawl towards it. They each have different special effects they place on their victim and then an explosion they do if they reach that victim. If they're not killed before they explode, they will choose another target and start their attack routine all over again.

Volatile Oozes will spawn, focusing on a target and rooting that raid member in place. (The root effect is called Volatile Ooze Adhesive and isn't just a clever name.) If the Volatile Ooze reaches the raid member, it will explode in a Ooze Eruption. The eruption will not only deal massive damage to anyone standing near it, but it will also knock everyone around the room. That includes knocking some folks into the Slime Puddles. So, it's important to burn Volatile Oozes down as soon as they appear, long before they manage to reach their target. If the Ooze does reach its target, however, the explosion is split evenly between everyone within range. If you're not getting the Ooze down in time, try and have the raid stack on the target instead, so as to evenly spread out the damage.

Gas Clouds will also focus on a single target, but they don't root like the Volatile Ooze. Instead, Gas Clouds put a 10-stack of Gaseous Bloat on its target. The Bloat will inflict damage on the target, while the stacks steadily drop off every few seconds. If it reaches its target, the Gas Cloud will explode to deal damage to the entire raid. Obviously, it's best to burn down the Gas Cloud just as quickly as you burn down the Volatile ooze.

When Putricide hits 80%, he will drop that Tear Gas we talked about and enter phase 2. He runs back to his desk and grows two tentacles. (I feel like I should make an anime joke here, but I'll skip it.) Putricide will start shooting Malleable Goo at random raid members. Anyone who stands in the area where the Malleable Goo lands will take huge damage, and receives a slowing debuff which will increase their casting and attack time by 200%. Goo is generally shot at ranged targets first, but will hit melee targets if there is no ranged target to affect. This is really the only completely new trick for the second phase, but everything from phase 1 will continue.

He'll also drop a Choking Gas bomb in between Malleable Goo attempts. They explode for truly massive damage and should be avoided when you see them land. The tank should kite Putricide away from the area they land in, and melee should be careful not to stand in them.

When Putricide hits 35%, he'll hit your raid with Tear Gas and then go mutate again. The third phases grants Professor Putricide Mutated Strength, which increases his damage and attack speed by 50%. When you attack Putricide, he'll put Mutated Plague on your tank. This plague inflict damage to everyone in your raid. At this point, your tanks will have to taunt-swap Putricide so that the Mutated Plague stacks never get so high that your healers can't handle the raid damage. You don't want to swap too often, however, because Putricide is healed every time the Mutated Plague drops off a tank (for about 3% of his damage). For 25 man, you'll need three tanks to make sure the plague doesn't get out of control, while you'll only need two for 10-man.

Phase 3 continues with the Gas Bombs and Malleable Goo, but no more Volatile Oozes or Gas Clouds will spawn. You won't have the abomination in the third phase, which is where you get the extra tank to handle swapping Putricide around. The Slime Puddles will still continue to grow, however, so you want to lean on the DPS in this third phase. Without the Mutated Abomination, the growing Slime Puddle will eventually overrun your raid.

In heroic, Putricide also gains the ability Unbound Plague. This will inflict a powerful DoT upon one to three raid members. It will kill most players within about 15 seconds. It will also spread to other raid members within 3 yards; each time it spreads, the Plague will gain 100% damage. (This stacks up to three times.) So you'll have to keep slime puddles very small -- your raid needs the room to spread out.

Additionally in 25-man heroic, Putricide will not hit raid members with Tear Gas. Instead, he'll hit them with Ooze Variable or Gas Variable. He'll then spawn an orange add and a green add immediately; raid members will only be able to damage the add of their own type. He'll also immediately spawn both types of adds. In 10-man, Putricide will not apply the variable abilities, but he will still spawn both adds immediately.

In summary, here is the flow of the fight: Your main tank pulls Putricide, while one of your off tanks pilots an abomination. When adds appear, kill the adds. The abomination should be eating slime off the floor to give your raid safe places to stand, placing its slowing effect on the adds. When you get to the second phase, don't stand where Malleable Goo is going to land. Continue to burn, steady like the beating drum. When the third phase happens, blow all your cooldowns and burn him down as quickly as possible. If you stay too long in phase three, you'll have no place safe to stand. Good hunting!.

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  • Slime Puddle A growing green puddle in the middle. This is the fire for your raid to not stand in. Additionally, this is what the off tank riding the abomination will be sucking. Slime Puddle only takes place during phase 1 and phase 2.
  • Unstable Experiment This is the ability that spawns either a Gas Cloud or Volatile Ooze.
  • Tear Gas Covers the entire room with gas, preventing both action and damage from or to players while Putricide changes phases. In heroic mode, however, this does not take place. This happens between the transitions between phase 1 and phase 2.
  • Choking Gas Explosion This is the explosion caused by gas bombs about 20 seconds after they hit the ground. While normal mode means the gas explosion only reduces hit chance by 75%, heroic mode reduces hit chance by 100%. Choking Gas takes place in phase 2.
  • Malleable Goo Inflicts damage to anyone who stands in its path, as well as reducing attack and casting speed by 200% in normal mode and 250% in heroic mode. This takes place in phase 2.
  • Mutated Strength Increases Putricide's attack speed and strength by 50%. Putricide gains this strength in phase 3.
  • Mutated Plague Stacks on the tank target, doing more damage as it stacks. If this buff drops off the tank, however, it performs a huge heal for every stack. Therefore, tanks should swap the boss between them every two additional stacks (about every 10 seconds).

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Tank strategy

The main tank stands there and tanks. You'll be kiting Putricide around a bit to keep him out of goo and also to keep the fight as convenient for your DPS as possible. That being said, just tank.

The off tank will be driving an abomination. Be careful to keep spamming your "slime slurp" ability as frequently as possible; the visual queue for slime puddles is a little different from where you have to stand. If the power lets you slurp, you're good to go. This part sounds more complicated than it really is -- anyone can pick it up in just a try or two.

During phase 3, swap Putricide between you relatively evenly. You can do it every two stacks of Mutated Plague, or every four.

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DPS strategy

Kill the oozes fast and be reliable about it. Depending on your raid's DPS, even melee should be careful to swap to the oozes. It's incredibly important to burn those down as fast as possible. Aside from that, don't stand in fire (ooze), and kill the boss. Save Heroism for the end, though, since the final phase is by far the most intense.

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Healer strategy

The boss doesn't hit the main tank particularly hard, and a good tank who knows how to kite should be able to avoid most of the ooze damage. But if the kiting tank gets pinned in a bad location, expect his health to drop very quickly.

The abomination will need heals, since it will spend the whole time standing in slime. There's no help for that. But don't worry. The abomination has a huge health pool, and can handle the damage as long as you get to it eventually.

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