Orb of Binding

Binds one modifier: the orbs that change modifiers leave it alone. Pick it on the bench (used directly: a random one).

What it does

Binds one modifier: the orbs that change modifiers leave it alone. Pick it on the bench (used directly: a random one).

Only an item with a rarity; bound modifiers per item: 1 up to Epic, 2 from Legendary.

Uniques, ruined items and stacks are refused; the crafting bench shows what an orb would do before you use it.

Used directly: Use with on the orb, then click the item.

Source	How
Monster drops	Per kill by monster tier: Normal 0.02%, Magic 0.15%, Rare 0.6%, Legendary 2.5%, Boss 5%; 1 at a time. Legendary monsters and bosses also drop one guaranteed currency item, this one 1.4% of the time.
Salvage	Combine 75 rune shards into one at the crafting bench.
Salvage bonus	Salvaging gear with a rarity sometimes gives a whole orb (0.5%-5% per item by rarity); 1.5% of those are this one.
Store	1 for 30 Chaos Coins, 3 a week per account.