Abendstern, Evening Star (5e Equipment)
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Martial Melee Weapons
A menacing looking two-handed mace. The head is made of a massive steel block with two large spikes or multiple flanges on each side. This design allows wielders of this weapon to more easily injure creatures wearing heavy armor by crushing and sundering said armor.
Special. You have a +1 bonus to your attack rolls made with this weapon made against creatures wearing heavy armor.