Rune Avenge 2.png Demon Slayer's Crossbow
Rank: ✮✮ Type: Runestone
This runestone is bathed in red light, you feel a slight burning pain when you touch it, a result of outflowing energy. Using it as an auxiliary fuel for the airship may have unexpected results.
Decreases the enemy's armor by 10

When main cannon attacks, 100% chance to cast: causes damage (80% of main cannon's power)
(Can choose to activate this Runestone before Revenge battle starts)

Source(s): Use Secret Order 通通拿去做彩蛋

Sky Sundries - Ship Wreckage with the help of Ghost Captain

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