Release a 16 person 4 hour long dungeon

[syntaxlies]

This is great, and personally I am fine with having instanced content being limited to 2 hours. However, I hope that stuff like Crystal Tower will not be a 2 hour instance, and instead will be broken up into floors at least so the whole thing takes more than is possible in a single sitting to progress through.

A 2 hour crystal tower would be very disappointing, so would a crystal tower that only had 8 person group content and no alliance section.

maybe 2 hours per floor