I really like the game and it is a beautiful one. I love ARPGs and am an avid fan. I just have a few suggestions.

1. Caster nodes feel really weak.
2. Please add a search bar on skill tree, helps a lot in pathing.
3. Hovering the pointer on the active skill could show total damage output and net calculated crit and ailment chances and damage instead of just showing base modifiers as selected. Maybe if not the hovering info, atleast can be added to the side bar on the character attributes, little buttons showing active skills and selecting them shows their calculated numbers.
4. Have an option to change left click just move instead of only attack, will help with dodging
5. There is a lag time between casting skills, don't always switch seamlessly. For example, sometimes casting plagueburst right after double Anomaly doesn't work. Need to wait half a second and then cast.
6. Some damage buffs and debuffs are unknown, maybe add icons or something to indicate those. Green orbs, aether jump, etc need those. For example one icon indicating how many green orbs are active, what damage bonus to toxic damage we are receiving.