Why Don't Wizards Use the Unbreakable Vow MORE? - Harry Potter Theory

In the Half-Blood Prince, the series introduces us to one of the most serious magical agreements in the wizarding world: the Unbreakable Vow. But somehow..It's only used ONCE?

Topics Covered:

Unbreakable Vow explained

How the Unbreakable Vow works in Harry Potter

The rules and limitations of the Unbreakable Vow

Snape and Narcissa's Unbreakable Vow in Half-Blood Prince

Bellatrix Lestrange and the Unbreakable Vow

Why wizards don't use Unbreakable Vows more often

Why Voldemort didn't use Unbreakable Vows

Voldemort's obsession with loyalty and betrayal

How Snape deceived Voldemort

Could an Unbreakable Vow have exposed Snape?