Please give Alva's altar a minimap icon.

Unlike beasts and sulphite deposits and whatnot, Alva's altar doesn't have a minimap icon, so it doesn't become noticeable on the minimap unless Alva is actually there... and she doesn't move there until you get really close.

As a result, it's much more difficult to locate her than it is to find everything else notable, you pretty much have to stumble onto the screen with it before you can know it's there. Please add an icon to those altars so we can find her as well as the other similar stuff.