Act IV New Mysterious Chest?

[Joat-1701]

Those 2 are the only ones I know of, but there is a complete list of the rare drop items at:
https://d3.maxroll.gg/resources/cosmetics

Another source here courtesy of MissCheetah (MVP poster):

List of all Wings, Cosmetics, Pets, and Promos

A huge thank you to Tias for all the work formatting the updated Cosmetics Guide!!! Use the Table of Contents to jump to the topic you want. Each section has drop down menus so that they don’t take up too much room. I will be checking for errors and updating, but so far I love it! [Sweetiefwoof!] MissCheetah's [Sillyfwoof!]Cosmetics and Transmog Guide[Hair Eating Fwoof!]

Table of Contents

<a href="#WingsFlyout">Wings</a> <a href="#PetsMenageristFlyout"…