Air Masses. An air mass is a large body of air with generally uniform temperature and humidity. The area from which an air mass originates is called a source region. Air mass source regions range from extensive snow covered polar areas to deserts to tropical oceans.
The new Indigo Kodi add-on from TVADDONs replaces some of the other add-ons released from that group including their wizard, maintenance tool, log uploader, notifications tool. However, it appears that the new Indigo add-on goes a step further than just replace those add-ons.
Now let's look at the armor. Each individual piece of Spooky Armor increases minion damage by 11%, for a total of 33% before the set bonus. In addition, each piece allows one more minion to be summoned, for a grand total of 3 more Ravens. Finally, the set bonus provides an extra 25% damage increase.