with weapons
the doom weapons are level 8 weapons and do lots of damage.
Merger Weapons commonly have requirements on items needed to merge for them or upgrade them, it all depends on the weapon.
the three doom weapons i would say
In quests like defend the keep, sir jing's weapons and other ones
there are a lot of good weapons, check out this link:http://dfwiki.com/index.php/Best_of_the_Best
you can check it at Dragon Fable Wiki>Weapons>Weapons listings by level>Category:Level 16 Daggers
You buy it at Lim in the Falconreach weapons shop. You need a dragon amulet though.
u download them at wpe pro or crash override
There is zangetsu (in both shikai and bankai forms) and you can get them from cicero's shop on dragon coins :|
use fire element based weapons and spells. that's the best way i can think of
Yes. Artemis' silver bow and silver arrows forged by the Cyclopes were her weapons.