Sky Sanctuary Zone

From Sonic Retro

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Sky Sanctuary Zone
Sixth level, Sonic & Knuckles
Number of Acts: 2 (1 for Sonic, 2 for Knuckles)
Level theme: ancient ruins
Secondary level theme: sky
Boss: Mecha Sonic (Sky Sanctuary Zone Boss)
Maximum rings, Act 1: 179 + 80
Maximum rings, Act 2: 3 + 0

Sky Sanctuary Zone is the sixth level of Sonic & Knuckles (the twelfth of Sonic 3 & Knuckles). It is the second-to-last zone for Sonic and Tails, containing three bosses, and the last for Knuckles, who has two to fight against.

Sonic and Tails' level (technically Act 1) has a very complex design that goes upwards and contains several Eggrobos, big spinning platforms and clouds on which you can bounce. Sonic and Tails enter from a teleporter found deep in the Hidden Palace. On their way up the Sanctuary, they have to face Mecha Sonic, who's riding Eggman's Eggpod and using the Doctor's old tricks to stop them. They eventually face the Mecha Sonic itself at the end of the level, and after defeating the robotic hedgehog (though not destroying him) the Sky Sanctuary will begin to fall apart. They have no choice but escape as fast as possible from there, and they finally jump into the Death Egg.

As for Knuckles' level (technically Act 2), it seems to be the only platform left after the destruction of the flying temple; it's short, straight and it has no enemies or gimmicks. Knuckles enters from a different teleporter, also from the Hidden Palace, and as soon as he gets to the Sanctuary he is irremediably grabbed by the Eggpod (this time driven by the EggRobo from the echidna's story) and taken to the boss, which in fact is Mecha Sonic, who was not destroyed in Tails/Sonic's story.

Sky Sanctuary is apparently destroyed at the end of Knuckles' playthrough, with the explosion of Mecha Sonic consuming the floating ruins entirely.

Sonic's bosses

  • The first boss is a clone of Green Hill Zone's famous boss, piloted by Mecha Sonic.
  • The second boss is a clone of Metropolis Zone's boss, also piloted by Mecha Sonic.
  • The third boss is Mecha Sonic himself. Making a comeback since Sonic 2 (16-bit), this battle can be a lot easier this time, as it still takes eight hits to defeat him but you now count with rings you grabbed throughout the whole level and any shield you got before.

Knuckles' bosses

Being Knuckles' final level, Sky Sanctuary hides his real final Bosses, which come in two parts:

  • The first part is Mecha Sonic, and he acts just the same as he does against Sonic. Finish him off with an easy eight hits.
  • The second part is against Super Mecha Sonic. He'll charge himself with the Master Emerald's power, then fly above you. He has 4 attacks: Dashing across the ground, hitting the ground in ball form, firing three energy balls, and shooting out fatter, darker versions of rings that hurt you upon contact. After using the energy balls, Mecha Sonic will revert to normal and have to recharge. He'll also temporally have to charge up after shooting the fatter rings, but he will come down without landing and get back to his normal form for less than three seconds, then take again his super form. Every time he goes from gold to dark blue again is your chance to strike. As before, eight hits will finish him off.

Instruction Manual Description

Take the battle to the clouds when Sonic fights Robotnik's Badniks on the floating ruins of an ancient time!

Sonic Team Commentary (from Sonic Jam Strategy Guide)

From here on out, it's the holy territory that is forbidden to all but Knuckles. Hidden Palace is where the Master Emerald is stored, and Sky Palace is the sacred precinct in the sky above Angel Island where no one is allowed to enter. I'm digressing, but scaling of the Eggrobos emerging from the center is managed internally by the software.

Takashi Iizuka


  • Via Level Select, you can enter one of the character's Sky Sanctuary levels with the character that's not able to get there in normal gameplay: you can enter to Sonic's level with Knuckles (here are shown the palette differences between the playable Knuckles and the one that appears throughout Sonic's story) and then normally head up to the Death Egg, or you can get into Knuckles level with Sonic and/or Tails and almost normally end the game.
    • If the level is finished with Sonic, during the final cutscene a blue Knuckles will appear on the Tornado, instead of the real red Knuckles. (This happens obviously because the currently loaded main character palette belongs to Sonic.)
    • If it is instead finished with Tails, Knuckles will have two tails during the cutscene.



  • Sky Sanctuary is apparently supposed to hover at relatively the same height of Angel Island. As revealed by the good ending for Knuckles, Angel Island floats high above where Sky Sanctuary was. It is possible that the reason for this is Eggman's crash landing on Angel Island somehow affected Sky Sanctuary's height as well. This would make sense as in Knuckles' final boss features the Master Emerald on Sky Sanctuary's remains but Angel Island is still (barely) floating. This could mean that through Angel Island, the Master Emerald originally kept both Angel Island and Sky Sanctuary at a stable and similar height.