This nuke will nuke everything in sight if it is defeated. The best strategy is to run from it. If it is with a companion, defeat the companion, then run.
The Nuclear Reactor Robot is an enemy in EarthBound and Mother 3. It explodes when it is defeated. It is based on the SuperEnergy from EarthBound Beginnings and is a more difficult version of the Atomic Power Robot in both of the games.
The Atomic Power Robot is an enemy in EarthBound that can be encountered in the Stonehenge Base. Along with firing a beam, it will frequently replenish its fuel supply, casting Lifeup γ on itself or allies without using PP, and it will explode upon death, dealing damage to all party members. It may spawn alongside up to two Starman Supers, two Military Octobots, or a Mook Senior.
The EnergyRobot is an enemy in EarthBound Beginnings. It can heal other enemies and will explode after being defeated. A tougher version of this enemy is the SuperEnergy. The Atomic Power Robot enemy in EarthBound and Mother 3 is likely based on this enemy.
The SuperEnergy is an enemy in EarthBound Beginnings. It is a more difficult version of the EnergyRobot. Being a buffed version of the EnergyRobot, it can also heal enemies in battle. It will explode--dealing damage to everyone in the party--after being defeated. The Nuclear Reactor Robot of EarthBound and Mother 3 is likely based on this enemy.
Codex Statistics
Key:Atomic Power Robot/EnergyRobot | Nuclear Reactor Robot/SuperEnergy
Fully recovers the health of an enemy or oneself, essentially mimicking PSI Lifeup Gamma.
Fire a beam
Fires a beam that deals mid-level damage to one party member.
Text
Effect
Replenish a fuel supply
Fully recovers the health of an enemy or oneself, essentially mimicking PSI Lifeup Gamma.
Fire a beam
Fires a beam that deals mid-level damage to one party member.
Text
Effect
Attack
Deals damage to a single party member with an attack.
Energy Flowed
Fully recovers the health of an enemy or oneself, essentially mimicking PSI Lifeup Gamma.
Other
Standard Tactics: The robot will replenish energy and fire a beam, if it is defeated it will initiate a self-destruct.
Weaknesses: Nothing notable.
References
↑This comes when you give a confusion status effect to an enemy, they can accidentally hit their own allies, including being able to hit the ghost allies