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Thanks to Amy, I was able to remember Maria's wish. When I finally realized it, the Ultimate life prototype tried to stop me, I'll take care of this Sonic. You go try to stop the power of the Chaos Emeralds


Shadow the Hedgehog, Sonic Adventure 2

The Biolizard is the penultimate boss of Sonic Adventure 2 and Sonic Adventure 2: Battle and is fought with Shadow the Hedgehog after completing Cannon's Core in the Last Story.

The boss battle takes place and is limited on a toroid-shaped field with the Biolizard in the center. Cutting the field in half are two water streams, one closer to the artificial Master Emerald shrine and the other to the pool where Sonic’s section of Cannon's Core ended. While the former stream is harmless, the latter will sweep Shadow into a bottomless pit almost instantly, unless the player jumps out of it immediately.

Boss guide[]

Shadow must attack the life support system he carries on his back a total of six times to defeat the Biolizard, which can be reached with different means through the battle. Hitting the Biolizard's body with attacks such as the Homing Attack will cause Shadow to bounce off him, and sometimes even take damage.

Phase 1[]

When the Biolizard has taken no hits, he will chase after Shadow on the field by rotating on his axis. He will start by chomping at Shadow which will do damage and send him flying, but if the player moves too far away from his head, he will switch direction and try to whack Shadow with his tail. The player must there constantly keep the right distance from either threats. After about half a turn the Biolizard will tire out and stop to catch his breath. The pipe along his neck will then glow, indicating the player must then grind up it to reach the Biolizard's back and attack his life support system. Take too long to grind the pipe however and the Biolizard will recover and start the phase over.

Phase 2[]

When the Biolizard has taken one hit, he will chase after Shadow again the same way he did in Phase 1. When he stops moving however, he will start splitting out energy balls that will home in on Shadow, either from a high or low angle. The low ones can be jumped over while the high ones can be slipped under using somersault, though the player can also dodge them with very quick movements. Should Shadow get hit by one, the Biolizard will wait shortly before resuming his attack. After firing a total of eight energy balls, the Biolizard will tire out in the same manner as in Phase 1, allowing the player to grind up him and attack his life support system again. The player can also avoid this attack by jumping over the Biolizard's head then waiting out the attack. Should Shadow wait behind the Biolizard's neck it is important to not be too close to the neck or else Shadow will take damage when he moves to recharge. This pattern is repeated for the next hit.

Phase 3[]

When the Biolizard has taken three hits, he will chase after Shadow and then use his energy attack like he did in Phase 2. After finishing his energy attack however, the Biolizard will form several floating pink eggs around him and fire them at Shadow one by one. The player must use the Homing Attack on the eggs to bounce higher into the air, and once above the Biolizard the player can attack his life support system. Take too long however, and the eggs will disappear and the Biolizard will repeat the phase. This pattern is repeated for the next hit as well.

Phase 4[]

When the Biolizard has taken five hits, he will rear up and form several eggs before starting to levitate both them and Shadow in a disc surface in the same plane of the life support system. During this phase, Shadow cannot attack, but the player can still move him around. The player must then move Shadow through the right-swirling eggs to the life support system while being continuously bombarded with flying eggs. Once Shadow attacks the life support system, the Biolizard will be hit and slump down in defeat.

Trivia[]

  • Despite the cutscene prior showing Shadow and co. standing on the right side of the Biolizard, the start of the battle always positions the former to the Biolizard's left side instead.
  • Aside from the fourth phase, it is possible for the player to make Shadow use the Homing Attack repetitively to scale up the Biolizard's body and quickly reach and hit his life-support system, bypassing the requirements to attack the Biolizard normally.

Music[]

Name Artist(s) Length Music track
"Supporting Me ...for Biolizard" Fumie Kumatani 3:29

Video[]


See also[]


Main article · Scripts (Hero, Dark, Last) · Staff · Manuals · Glitches · Beta elements · Gallery · Pre-releases (The Trial, Preview, TRIAL Version) · Re-releases (Battle, 2012)
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