In the show "Dragonball Z", what is the name of Cell's most powerful attack?

In the show Dragon Ball Z, Cell's most powerful attack is called the Solar Kamehameha. This attack is the culmination of Cell's power as he gathers energy from the sun and combines it with the traditional Kamehameha technique. The Solar Kamehameha produces an immense amount of energy, capable of causing widespread destruction and standing as one of Cell's deadliest moves in his quest for ultimate power.