They became useless because of the ability to suppress and increase power levels. Also, after the Frieza saga and Super Saiyans came about; Power levels baca me fare to large to bother gauging.
useless
The power supply provides electricity that support current to allow the component to run. For example: (The motherboard) the motherboard is useless without the help of power supply. Any component or hardware were useless without the power supply.
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For who?
The word trivial means "useless". So a trivial set would be a useless set.
w many levels are in shaman king power of spirit
Because you don't have brains!
it's not
Useless
Yes, otherwise it will be useless when the battery runs out.
he is the second god of the sun therefor re is also weak and is useless
No. You are most definitely not useless. They have no power of your life and self worth. If you think you are useless you could realize your self worth through charity, helping a friend out, working, creating art, hobbies, the list goes on.