Blue Bubble

Blue Bubbles are recurring enemies in the Legend of Zelda series. They are cursed forms of Bubbles and usually can only be defeated once their blue flame has been extinguished.

The Legend of Zelda: Ocarina of Time and The Legend of Zelda: Majora's Mask
Blue Bubbles, like other Bubbles, are floating skulls that attack Link, yet are different due to their immersion in a blue flame. They can easily be defended with a shield, and doing so will actually cause them to lose their fiery blanket. They also seem to possess an attraction to bombs, as throwing one near them results in their circling around it until it explodes. In Majora's Mask, their blue flame curses Link on contact, and will render him unable to use his sword. The hex fades away over time, yet can be instantly be removed by performing the Song of Storms.In Majora's Mask,the blue bubble appears at night in termina field.some chu chu's disappear at night.They are extremely fast if they see you.if your shield hits it,their flames disappear and they hop on the ground.Hit them twice,and it will be no more.

The Legend of Zelda: The Wind Waker
Now cel-shaded like the rest of the game, Blue Bubbles reappear in Wind Waker in the Earth Temple and Ganon's Tower (The Wind Waker). and have the same cursing abilities as the Blue Bubbles in Majora's Mask. However, the skulls now render Link unable to use any items at all, and the curse can only be lifted through time. Also, the same curse is put upon Link if he enters the purple fog in the Earth Temple. To remove their blue fire, Link must use his Deku Leaf, Hookshot, or use the Ice Arrows to kill them instantly.