If “UFOroid Fighter” is Special Summoned with “Cyber-Stein” or “Metamorphosis”, its original ATK & DEF will be zero.
If “UFOroid Fighter” is Special Summoned with “Power Bond”, first apply the effect of “UFOroid Fighter” to determine its original ATK & DEF, and then apply the ATK increase of “Power Bond”.
If “UFOroid Fighter” is on the field, and then “Skill Drain” is activated, the original ATK & DEF will be zero, and will remain zero even if “Skill Drain” is destroyed or negated.
You can Special Summon “UFOroid Fighter” using “UFOroid” and a monster that was changed to Warrior-Type with “DNA Surgery”, etc.