Where do I drop...?

Aura Fire Rune (100) (59993)
Aura Fire Rune (100) Material required to enhance the Aura Costume. Move this rune onto the Aura Costume to increase experience. Source: Bosses from Mazarif, Zhang, and Zodiac [Click for details]	Dropped by: Metinul Rautatii (Level 105) x1 ~50% HP 1,500,000 Metin of Release (Level 105) x1 ~30% HP 2,500,000 Metin Jeon-Un (Level 90) x1 ~5% HP 1,000,000 Metin of Pride (Level 120) x1 ~5% HP 10,000,000 Metin of Treason (Level 90) x1 ~5% HP 1,500,000 Metin of resentment (Level 100) x1 ~5% HP 2,000,000