Know though that not all can be easily obtained.

Unlockable           How
------------------------------------------------
Vampire Emissary   - Get rank 6 Vampire and buy it from Brysin.
Blade of Twilight  - Get rank 6 Lycan and buy it from Faopaw.
ReignBringer       - Buy it at the Swordhaven blacksmith.
Wave Cutter        - Drops from Sharbait in Lolosia or buy it in the Pirate shop.
Staff of Imp Fire  - Drops from Fire Elemental in Bludrut2.
Zephyr             - Buy it from Warlic's Robe shop in battleontown.
Wolf Warrior Blade - Get rank 3 Vampire and buy it from Brysin.
Vamparic Gladius   - Get rank 6 Vampire and buy it from Brysin.