The enormous hammer of the Warlord Gyog Ak-Thail, the Ribcage Destroyer. It is said to have slain 3,000 men.

My own take on the whole intelligent weapon thing

'A man needs two things to become a saint. He must perform three miracles, and then he must die. Perform your miracles, sir, and come to me when you are ready to become a saint.'
—Azariah Saintmaker, Dread Lord of Hatred

The Trollshaw Staff is roughly six feet tall, though if the bends in the wood were pulled out straight, the staff would easily be eight or nine feet tall. As it is, it is twisted as a troll itself.

A unique spear that was lost in production.

The sight of a war forbici on the battle field makes some laugh, others fearful, and some simply confused. In well-trained hands, however, it can be a lethal weapon.

Long sword built from storm sword shard. Empowered with the force of storm-water.

Sharp as a sword, light as a dagger, and easily concealable.

Once the dead walked upon the Barrow-Downs and protected them and, to some extent, the nearby towns as well, for few dared to burgle or rob, let alone murder, by night when the wraiths stalked the streets, but then when an act of demon summoning went wrong, everything changed for the worse, and the Starsword was created to fight the forces of the dark.

Perhaps not quite what you would expect. Certainly it is a sword that can produce flames at will.

A sturdy, primitive Pictish axe

Pu-Da are called Clubs in the rest of the world. Among the Ankorillian weaponry are different types of clubs for use in close combat.

Ankorillian warriors carries, on a regular basis, Na-ha (spears) and many different types of Pahas (daggers). However, these are not daggers as most people think of them.

Haio-Mano means 'A shark's lei'. These Ankorillian weapons are particularly effective and devastating.

This sword is unique, made only for the Merchant Prince of [insert city] and his loyal band of mercenaries. The Cruaunte is a hand and a half sword, capable of being used with one or two hands, and from horseback or on foot. Thus, the merchant can save both time and money equipping his men with a universally usefull weapon.

A spear that reflects the life of it's owner trough small Haiku like poems. As the soldier lives his life the spear casts a shadow of his great exploits. Small runes are carefully etched in the ash shaft after a great battle or another important event in the warriors life.

Khartand is the oldest and most characteristic of the Taklamar knife weapons.

This heavy iron war-pick is was common in the the Pretender Wars

The Ghollish Wide-axe was a design of axe popular a few decades ago in the southern provinces of (insert kingdom), especially among peasants involved in the Sickle of Justice rebellion (though these favored sickles to axes).

The Ghorish Maw is used by the Ogre Tribes which live in the Ghor Mountains, named after a legendary Ogre Chieftain who once resided there. Known for his love of eating, these are the weapons he armed his warriors with.