Nếu D/D Savant Galilei và D/D Savant Kepler ở trong Vùng Pendulum, và D/D Cerberus được Triệu hồi Pendulum trong khi không có quái thú "D/D" nào khác tồn tại trong Vùng quái thú, thì hiệu ứng của D/D Cerberus có được không được kích hoạt?

DARK 101

[ Pendulum Effect ] You cannot Pendulum Summon monsters, except "D/D" monsters. This effect cannot be negated. Once per turn, during your Standby Phase: Increase this card's Pendulum Scale by 2 (max. 10), then destroy all monsters you control with a Level less than or equal to this card's Pendulum Scale, except "D/D" monsters. [ Monster Effect ] During either player's turn: You can discard this card, then target 1 "D/D" or "Dark Contract" card you control; return it to the hand. You can only use this effect of "D/D Savant Galilei" once per turn.

DARK 110

[ Pendulum Effect ] You cannot Pendulum Summon monsters, except "D/D" monsters. This effect cannot be negated. Once per turn, during your Standby Phase: Reduce this card's Pendulum Scale by 2 (min. 1), then destroy all monsters you control with a Level greater than or equal to this card's Pendulum Scale, except "D/D" monsters. [ Monster Effect ] If this card is Normal or Special Summoned: You can activate 1 of these effects. You can only use this effect of "D/D Savant Kepler" once per turn. ● Target 1 other "D/D" card you control; return it to the hand. ● Add 1 "Dark Contract" card from your Deck to your hand.

DARK 46

[ Pendulum Effect ] Once per turn: You can target 1 "D/D" monster you control; change its Level to 4, and if you do, it gains 400 ATK and DEF (even if this card leaves the field). [ Monster Effect ] When this card is Pendulum Summoned from the hand, while you control a "D/D" monster other than "D/D Cerberus": You can target 1 Continuous Spell Card in your Graveyard; add it to your hand.