Open up your 'WeaponDefinitions.xml' --> .\data\def\items.
Search for Bronze-Rune longswords and replace all with:
Code:
<WeaponDefinition>
<id>Long sword ID</id>
<twoHanded>false</twoHanded>
<type>MELEE</type>
<attackAnimations>
<short>451</short>
<short>451</short>
<short>412</short>
<short>451</short>
</attackAnimations>
<attackSpeeds>
<short>5</short>
<short>5</short>
<short>5</short>
<short>5</short>
</attackSpeeds>
<block>424</block>
<stand>808</stand>
<walk>819</walk>
<run>824</run>
<standTurn>823</standTurn>
<turn180>820</turn180>
<turn90CW>821</turn90CW>
<turn90CCW>821</turn90CCW>
<sidebarId>2276</sidebarId>
</WeaponDefinition>
Enjoy.