Flambard
‘ Flambard’ – A two-handed sword that has gained renown as the hallmark weapon of German mercenary soldiers .Which they use to hew through the opposing pikemen and spearmen whose spears presented a difficult barrier for normal weapons and cavalry.
Used to break up pike formations, first by smashing the pikes and then by hitting the pikemen themselves.

This two-handed sword has a wavy blade that is especially useful for cutting through wooden weapons.

Two-Handed Melee Weapons | ||||||||
Weapon | Cost | Damage (S) | Damage (M) | Critical | Range Increment | Weight | Type | Special |
Flambard | 50 gp | 1d8 | 1d10 | 19-20/x2 | | 6 lbs. | S | sunder |
Benefit: If you are proficient with this weapon, you gain a +4 bonus on any sunder attempts made against weapons with a wooden haft; otherwise you may use this sword as a bastard sword.
Weapon Feature(s): +4 sunder bonus vs. wood
Source Adventurer’s Armory