Bubble Shield monitor

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Bubble Shield monitors, when hit, will give the player a shield of air, protecting them from small bullet attacks.

The Bubble Shield has two useful features:

• The user becomes capable of breathing underwater, thus cancelling the effects of drowning (this aids in the completion of Sonic 3's Hydrocity Zone)
• Sonic can perform a Bubble Bounce with it, firing him straight down to attack, then launching him high into the air.

The Bubble Shield is removed if the user contacts an enemy or contacts spikes.