Sonic's voice, in the form or a ball of light.
The Voice-Sealing Dark Crystal, created by Doctor Robotnik to seal Sonic's voice.
The Voice-Sealing Dark Crystal is an object featured in the AngieYaz/RoseOfSharon reboot of the Sonic Underground television series, its purpose emigrated from the Disney movie The Little Mermaid. It is an enchanted object used by Doctor Robotnik.
Appearances[]
In The Slow-Mo, Voiceless Leader, the crystal is used to hold Sonic's voice and speed when he gives them to Robotnik (via a clone of the Oracle of Delphius).
Robotnik asks Sonic for his voice, saying that Amy can't stand incessant talk from Sonic as would his subjects as King, to which Sonic agrees under pressure. "Orc" commands Sonic to sing, as he summons up a pair of hands from his magic cauldron, which slowly approaches Sonic as he sings, and his voice pulsates wildly in his throat. The hands then rip Sonic's voice from his throat, still singing, and proceed to place it inside the crystal, silencing it.
During the Freedom Fighters' attempt to rescue Sonic, Robotnk's plans go awry when the Mobians storm Robotnik's headquarters in Robotropolis. As Robotnik readies for an attack, Manic snatches the crystal from him, provoking Robotnik to anger. The two are locked in a stalemate until an alternate Robotnik takes the crystal and mashes it into the ground. It shatters on the floor of the control room, releasing Sonic's voice and speed, which returns to him.