Text for Bless Weapon as follows
This transmutation makes a weapon strike true against evil foes. The weapon is treated as having a +1 enhancement bonus for the purpose of bypassing the DR of evil creatures or striking evil incorporeal creatures (though the spell doesn't grant an actual enhancement bonus). The weapon also becomes good-aligned, which means it can bypass the DR of certain creatures. (This effect overrides and suppresses any other alignment the weapon might have.)
So my question is, does Bless Weapon allow a weapon to overcome any DR type of a creature as long as it is evil? And if not, what DR does it allow a weapon to overcome?
Secondly, if Bless Weapon can't overcome any DR of an evil creature, how is it any better than a lower level spell Weapons Against Evil?
These weapons also ignore the DR of evil creatures that have DR 5 or lower, as long as the damage reduction is not DR/epic.
Which apparently DOES go through any DR, except Epic.
No.
It bypasses DR/magic against evil creatures.
It counts as a magical weapon for affecting incorporeal creatures.
It counts as a Good weapon for bypassing DR/good.
Text for Bless Weapon as follows
This transmutation makes a weapon strike true against evil foes. The weapon is treated as having a +1 enhancement bonus for the purpose of bypassing the DR of evil creatures or striking evil incorporeal creatures (though the spell doesn't grant an actual enhancement bonus). The weapon also becomes good-aligned, which means it can bypass the DR of certain creatures. (This effect overrides and suppresses any other alignment the weapon might have.)So my question is, does Bless Weapon allow a weapon to overcome any DR type of a creature as long as it is evil? And if not, what DR does it allow a weapon to overcome?
Secondly, if Bless Weapon can't overcome any DR of an evil creature, how is it any better than a lower level spell Weapons Against Evil?
These weapons also ignore the DR of evil creatures that have DR 5 or lower, as long as the damage reduction is not DR/epic.Which apparently DOES go through any DR, except Epic.
A few things, first bless weapon is 1/min per level instead of 1 round. The weapon also becomes good aligned, meaning it can bypass certain types of alignment based dr. The alignment and amount of time this spell lasts make it better than weapons against evil as weapons against evil is rounds per level and only ignores dr/5 or lower of evil creatures.
By RAW, bless weapon does not specifically allow you to overcome DR of an evil creature, just dr that can be overcome by a +1 bonus, good aligned, weapon.