What type of irony, if any, is present in the following quot…

What type of irony, if any, is present in the following quote from “The Cask of Amontillado”?  “Come,” I said, with decision, “we will go back; your health is precious. You are rich, respected, admired, beloved; you are happy, as once I was. You are a man to be missed. For me it is no matter. We will go back; you will be ill, and I cannot be responsible.”