Hammer Of Power
LandarVargan

Adds a steel hammer and the powerful version that you can create from it.

Death Compass
FaceDeer

A compass that points to the last place you died

Spears
Echoes91

Adds spears, versatile weapons that can be thrown.

Obsidian Swords
Dragonop

Adds the Obsidian Dagger, Sword, and Longsword. Also Obsidian tools, for completeness.