Your Spell Name: Bublio
What kind of magic is it? Bubble-Head Charm from Harry Potter books (not films)
In what year Hogwarts students learn about it? In books it was probably at least 4+, but I think it's better to let it be used by 3+ year students here.
Give us a description of the spell: It creates a protective bubble around caster's head.
What are the effects of it: See above.
Which spell can avoid the effect? None.
Who can use this spell? Anyone who is third year or older.
Why do you think we should use it on the forum?
1) It's canon
2) It has many uses like defending against pranks or staying underwater for long
3) More spells = more fun
Any other information that we should know about it: None