Effect
If this card is in your Graveyard and you control no monsters during either of your Main Phases: You can discard 1 WATER monster; Special Summon this card from your Graveyard, but destroy all monsters you control at the beginning of this turn's Battle Phase, except for WATER monsters. You can only use the effect of "Fishborg Archer" once per turn.
The monster effect of "①" is an Ignition Effect that activates in the Graveyard. (It does not target. Discarding 1 WATER monster from your hand is a cost to activate the effect.)
The process of "at the start of the Battle Phase of the turn this effect was activated to Special Summon, destroy all monsters you control except WATER monsters" does not create a Chain Link.
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