Easy tool for cross-realm hopping
Find your rare, quest mob or achievment object on another realm

Auto detects your current realm
Or realms for cross-realm zones

One-click join to LFG parties
Easy to see party leader realm and whether party auto invites everyone

Multiple realm-related features

If you hide minimap button, you can open addon with "/rha" chat command

(Forked from: https://mods.curse.com/addons/wow/crossrealmassist [Currently without development])