Ancient Rune
Obtained from
Monster drops — 
Abyssal Titan — 30%- Monster drops —
Rune Colossus — 30% 
Runecrafting — Ancient Rune (Lv 85)
Aether Sanctum Chest — 24% ×40–100 (from 
Aether Sanctum)
Used in
Quest — Runecrafting Guild Trials- Quest — The Grandmaster's Ascent
Magic 4
- Wind Surge (Lv 57) (×1 per cast)
- Water Surge (Lv 61) (×1 per cast)
- Earth Surge (Lv 64) (×1 per cast)
- Fire Surge (Lv 68) (×1 per cast)