The boss of this mission is very aggressive and can easily defeat you in just 2 to 4 turns if you don't do anything about it. Starting with a Pool Shark is very deadly, since it can deal 3 unblockable damage to the face. Professor Brainstorm can also use Chimney Sweep, so if this is used turn one, you'll likely already take 3 damage. In addition, Professor Brainstorm brings a lot of damaging tricks, zombies, and many glass cannons. He even has a Shieldcrusher Viking up his sleeve for rough situations. Unlife of the Party should not be taken for granted, as it can cause a nuisance quickly. However, the true difficulty of this boss comes from the Valkyries. Because of Professor Brainstorm's deck, it's very easy for him to get Valkyrie buffed enough to be used. He can use many of these during the fight, most of which will likely be very powerful. If you do not want to buff Valkyrie, that may be a problem, because Professor Brainstorm's zombies are easily capable of killing early. There are also 3 height lanes, so some plant cards get nerfed in the process. Heroes like Solar Flare and Nightcap are great for this mission, as they have many removal techniques, powerful plants, and have good rush options.
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