Warlock's order Duplication Spell

this spell create a false copy of the spellcaster, if the spell caster his hurt he have 2 round to regain is concentration to maintain the spell, the copy can do everything the spellcaster can do and he can do mental link, if he do, the spellcaster does not need to be concentrate and the spell continue until the copy his dead. in mental link all damage do to the copy his do to the spellcaster but all damage do to the spellcaster is not do to the copy. after a weak the copy have a own consciousness and become free of the mental link, the caster and the copy are no longer binding.