If «Advanced Dark» is not in a Field Zone, send this monster to the GY. Once per turn (Quick Effect): You can target 1 face-up monster on the field; change its battle position. If this face-up card is destroyed in a Monster Zone, you can place it face-up in your Spell & Trap Zone as a Continuous Spell, instead of sending it to the GY.

If «Advanced Dark» is not in a Field Zone, send this monster to the GY. All «Advanced Crystal Beast» monsters you control gain 400 ATK/DEF, also monsters your opponent controls lose 400 ATK/DEF. If this face-up card is destroyed in a Monster Zone, you can place it face-up in your Spell & Trap Zone as a Continuous Spell, instead of sending it to the GY.

If a card(s) is sent from the hand or Deck to your opponent’s GY (except during the Damage Step): You can Special Summon this card from your hand, then you can Special Summon 1 Level 4 EARTH Fairy monster from your GY, except «Agido the Ancient Sentinel». If this card is sent from the hand or Deck to the GY: You can activate this effect; each player sends the top 5 cards of their Deck to the GY (or their entire Deck, if less than 5), then, if «Exchange of the Spirit» is in your GY, you can send 5 more cards from the top of either player’s Deck to the GY. You can only use each effect of «Agido the Ancient Sentinel» once per turn.

(This card is always treated as a «Sky Striker» card.)
A «Sky Striker Ace» monster equipped with this card gains 400 ATK. You can only use 1 of the following effects of «Aileron» per turn, and only once that turn. During the Main Phase (Quick Effect): You can target 1 «Sky Striker Ace» monster you control; equip this card from your hand or field to it. If this card on the field is destroyed: You can send 1 «Sky Striker» Spell from your Deck to the GY.