In the SC1 campaign mode, super cool with the orbiting stars, If you get a precursor artifact or two the Yehat never run out of power, always shielded, and are

In the SC1 campaign mode, super cool with the orbiting stars, If you get a precursor artifact or two the Yehat never run out of power, always shielded, and are invincible unless they get limpet mined unluckily.