1st Skill - main damage ability
2nd Skill - keep active all the time if possible
3rd Skill - mid range burst + gain stacks for sword swings
4th Skill - burst skill damage
Keep using 1st skill to spread fire.
Use 3rd skill to jump into elite packs / bosses
Swing with sword after using 3rd, till the gained stackes are consumed. then rebuild them with 3rd
Ancestor Mod Stat Prio:
Crit Damage
Dimension Modifier
Diemnsion Boost Ratio
negative harmless
Use Deus Ex Manus in Onslaught. Its attack range suits better into Blairs Melee style than using Hypernova.
For lower Content, you dont even need to use the swords. You can benefit of the mobility from TDA (switch 1 sprint for 1 grapple coreif you prefer)