Henry is an Alchemist from England stationed in Russia. He appears in Homecoming, showing up at Dimitri's welcome home party to harass Olena about a local Strigoi known as the Blood King. He is very frazzled due to humans continuing to seek him out and then perishing, and insists the residents of Dimitri's hometown take care of him. He initially ignores Rose when she questions him about the Blood King, answering to Dimitri instead. After Dimitri, Rose, and Mark agree to go Henry produces various maps and layouts of information on the area. He exhibits typical alchemist traits such as acting nervous around Dhampirs and Moroi and having supplies to be prepared for almost anything.