Diamond Dog
Diamond Dog Clay Model
Daiyamondo Doggu
Sprites Diamond Dog In-BattleShining Spot Sprite
Appears in EarthBound
Status Boss
Hit points 3344
Psychic points 154
Offense 167
Defense 230
Speed 31
Guts 10
Experience reward 337,738
Wealth $6968
Location Fire Spring
"Carbon Dog becomes Diamond Dog after taking damage of several hundred HP. Now it's your turn to suffer. DD is hard. Use Multi-Bottle Rockets right away before it puts up its counter shield. Also use shield killer."
EarthBound Player's Guide

The Diamond Dog is a boss in EarthBound, the second and final form of the Carbon Dog, and the final "Your Sanctuary" boss. This form of the Carbon Dog is stronger; however, its ability to breathe fire is now replaced with the ability to use powerful Diamondizing bites, which as the name of the attack implies, has a strong chance of diamondizing party members. When this form is first activated, the boss gains Shield.

The Diamond Dog is able to use PSI Flash along with standard biting attacks. It may also howl, which has no effect. Upon defeating the Diamond Dog, Ness gains entrance to the final Your Sanctuary location, Fire Spring.


  • Diamond Dog's name may be a reference to the 1974 David Bowie album, Diamond Dogs.
  • The transformation from Carbon Dog to Diamond Dog refers to the process of carbon becoming diamond through exposure to extreme heat and pressure.
  • This transformation might also be a reference to the song "Under Pressure", which was sung by Queen whom had some help from David Bowie.

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