Rune Avenge 1 Self-explosion
Rank:Type: Runestone
On this runestone, there's a thin layer of energy flowing over, weak and unstable. Embedding it into the airship's power furnace can assist with the furnace's power circulation.
Energy +1,000

At the time of the first death, 50% chance to launch: Deal Damage (80% of the main cannon's power)
(Can choose to activate this Runestone before Revenge battle starts)

Source(s): Sky Exploration Events: Signal Transmitter
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