2013-01-06, 08:07 PM
I would recommend using Super cubes to rank up to Unique, before you start using regular miracle cubes + pot locks. It can take a while to rank up using those, and you can't use pot locks with Supers.
Yes, you can only lock one line per use.
The rate of Epic > Unique varies greatly and is not known.
Yes, you can only lock one line per use.
The rate of Epic > Unique varies greatly and is not known.