Summon your wind-up Fafnir minion. Protective eyewear highly recommended.
Why the scholar who crafted this mechanical marvel felt that an already deadly dragon need carry a sword (and a legendary one, at that) remains unclear. When questioned, he simply refused to alter the design and began muttering about “drop rates.”
How to obtain:
Eureka -- Anemos Lockbox
Eureka -- FATE "Wine and Honey" - Eureka Anemos
Occult Crescent -- South Horn - Bronze Coffer