>>26531091>>26531107Dark Syncro is something that should only happen if both Ash and Greninja are really fucking pissed off.
>TF Arc>Ash, Serena, Clemont are fighting Flare Goons>One decides to attack the gang directly>Serena and Braxian get hit and knocked back unconscious>Ash and Greninja get fucking lit and Syncro using their negative thoughts>Get a power boost similar to Ichigo using his hollow powers 