"Should it be an upgraded version of electric tools?:" Yes, they should, i'm trying to help as much as i can
Quantum Sword: when boost key is held when attacking, it takes 8 hearts (maybe a bit overpowered, but my only idea)
Quantum Pickaxe: can break anything but bedrock. when the boost key is held down it breaks almost instantly (not actually instany, thats op and will get annoying) SPECIAL ABILITY: Carve 3x3 area when right clicked
Quantum Shovel: same as quantum pickaxe but can only break things that where went to be broken by a shovel
Quantum Axe: same as quantum pickaxe but can only break things that where went to be broken by a shovel