The Sonic Disks are disks that Ultimate Echo Echo can use to create sound waves.
Ultimate Echo Echo first used them in Map of Infinity to battle some Necrofriggian colonists.
In Absolute Power: Part 2, Ultimate Echo Echo used the sonic disks to battle Ultimate Kevin. During the battle, it's revealed that the sonic disks can multiply and make a move called "Sonic Doom".
Sentient Ultimate Echo Echo used the sonic disks to distract Gwen (in Anodite form) inside the Ultimatrix in The Ultimate Sacrifice.
Trivia[]
- In Greetings From Techadon, it's revealed that Ultimate Echo Echo's Sonic Disks can continue flying and attacking when Ben turns back to normal.