Variable Composition Sword

Variable Composition Sword is a form of Technology and Culture.

Description
The ideal sword has very hard metal at the cutting edge, and a core of softer metal to give it flexibility and toughness. This can be achieved by combing different types of metal, or by applying differential heat treatments to the blade, using clay to allow some parts to heat or cool at different rates. Using these technique, fine swords of surpassing effectiveness and beauty may be produced.

Effects

 * Increase culture by 1
 * Add 10% to kill chance with bladed weapons.