Solo Chase vs Extreme Glacial Rift in 5 Minutes, No Consumables (Build in Description)

In this video I challenged myself to beat Glacial Rift on Extreme difficulty. I even restrained myself to not use any consumables to make it more challenging.
Sorry for the low quality. I was planning to upload this video on EC2 but then realized the size is too big.
My Chase build:
Attribute: Full INT
Stat allocation:
- 78% CD Reduction
- 49% MP Cost Reduction
- 80% MP Gain
- 80% Skill Attack
- 58% Crit Rate
- 119% Crit Damage
Runes: 4 Attack II, 1 Drain, 1 Omni, 1 Transmutation
Costume: 5 Academia, 2 Midnight Avenger
Mastery:
3 / 1 / 3 / 3
2 / 3 / 3 / 3