The first unbound crystal is bound correctly to the altar, and other spells work fine but when using a ghast tear and zombie head the altar continues to change the tear into the air ink, the spell works in the short while that the tear is taking blood from the altar.

When I tried to create another altar that has no blood to stop the tear changing, the unbound crystal doesn't bind to the altar correctly, instead binding to 0,0,0.

Edit: Using Direwolf 20 1.7