Unable to research.

[Supamand]

No.
You need tier 1 in combat to get to tier 2 of combat. Same concept applies to each tier of skills

[WhiteLion]

This explains soooo much.

My skills weren't going… I was so confused. I ended up cancelling and reselecting new ones.

I must have missed this explanation in the tutorial… (I just assumed my skills were bugged and canceled / reselected new ones)

[Unknown Entity]

No.
You need tier 1 in combat to get to tier 2 of combat. Same concept applies to each tier of skills

Thanks Supamand!