This aura display the current selected talent in the top left of the screen.
Is possible to choose to display both class talent and specialization talent, or only one.
There are three visual layout mode.
Tree talent: reproduce the tree talent like ingame layout.
Collapsed: It's like the tree but all collapsed to the left. Empty space is now removed as non taken talent.
Tier: Similar to collapsed but now each row identify a tier (there are 3 tier in total)
See config tab for some layout adjustment.