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Stone Guardian

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The Stone Guardian (ガーディアン Gādian?) is a robotic, rock-like sub-boss that appears in Sandopolis Zone from Sonic & Knuckles. When the pyramid rises at the end of Act 1, it appears out of the door and prepares to battle.

Attack pattern

The Stone Guardian attempts to jump on the player, but is quite slow. The only part of the guardian that is vulnerable is its head. If the head is struck, the Guardian will fall apart and fly backwards, leaving it as just a lump of rock. However, the Guardian soon reforms at full health, and continues its attack. It is impossible to destroy the guardian simply by attacking it. Instead, it can be defeated by causing it to sink into a pit of quicksand on the far left of the boss arena.

The player can either repeatedly attack the Guardian's head from the right, slowly knocking it backwards until it falls in the quicksand, or lure the Guardian to jump into the quicksand itself by keeping on the Guardian's left.

In other media

Sonic the Comic

Stone Guardian STC 1

A Stone Guardian in Sonic the Comic.

In the Sonic the Comic series, the Stone Guardians are an ancient form of robots who protects the Lost Pyramid of Sandopolis. Much like their game counterparts, they are virtually indestructible.

A Stone Guardian was awoken when Captain Plunder raised the lost pyramid. Since they could not beat it, Knuckles instead lured it into some quicksand. Another was activated by Nack the Weasel and used against Knuckles and the Chaotix Crew, but the group beat it by shrinking it down to a manageable size.

Archie Comics

SU 70 Stone Guardian

The Stone Guardian, from Sonic Universe #70.

In the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics, the Stone Guardian appeared in Sonic Universe #70.[1]


  • The spinning Goal Post does not drop down at the location of the sub-boss when it was defeated (because this would cause the Goal Plate to land in the quicksand pit). Instead, it drops at a set point on solid land (but can still be knocked into the quicksand pit if the player hits it before it lands).
    • Also, the boss music doesn't end until the Goal Plate lands on the ground and Sonic/Tails/Knuckles perform their victory pose (unlike other bosses whose music ends after dealing the final hit).
  • Stone Guardian slightly resembles the Egg Golem from Sonic Adventure 2. Coincidentally, the boss of the Sandopolis Zone is also called Egg Golem.
  • This sub-boss is somewhat similar to other self-defeating bosses in Sonic & Knuckles, such as Gapsule or Barrier Eggman, both of whom appeared in the Flying Battery Zone.


  1. Sonic Universe #70 - "Total Eclipse - Finale: Last Resort"
Sonic the Hedgehog 3 & Knuckles

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