By A Mystery Man Writer
For the character of the same name, see Dr. Kessler. Dr Kessler is a hard difficulty main quest given to the Hero by the man himself in Dead Island: Riptide. Bring Dr. Kessler some reagents from his infected students in the biodome. Talk to Dr. Kessler to start the quest. He'll request that you collect some reagents from his undead students in the biodome so he can study the virus further. While there are numerous zombies in the dome, the carriers of the reagents are Grenadiers on the upper walk
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