Kadex is a consistent pain in the backside. He appeared at Usa'rya, brought a near-endless horde of Plague Marines, and likely whooped you multiple times before you tasted victory. Whenever Kadex appears, Warhammer 40,000: Chaos Gate - Daemonhunters' difficulty begins to spike. Sure enough, the second time you bump into Kadex, things get tricky.
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The Baleful Edict is breached when a Plague Cruiser barrels straight into the side of your ship. Kadex and a kill team of Blightlords and Plague Marines breach the Libris and attempt to assassinate Vakir and burn the Codex Toxicus. This battle starts unfair and very slowly tips the balance in your favor as time passes. You need to plan well ahead if you want to come out on top.
Kadex will only attack once you have defeated three Reapers. It doesn’t matter which three - just so long as three are dead. A short time will pass, and then you will be unavoidably assailed by his forces and the mission begins. Be sure to set any Stratagems long before Kadex appears, because you’ll need them, and you won’t get a chance once this sequence starts.
Kadex is a tanky chap. He has a lot of HP, but it isn’t supported with any armor, making any chip damage stick. His movement is pitiful, but this is mitigated by his abilities. Bear this in mind when attacking Kadex, as you can seriously hamper his mobility if you disable his ability to fly.
Kadex is more of an annoyance than an actual threat - especially if you stay away from him. He will always burn AP moving towards you, and then when he attacks, he will typically fire his Bell Staff. This is a pain if he hits a character who is relying on ranged
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