Description: A dark blade that pulses with the lifeforce it saps from any who wield it...... Upgraded From: N/A The Tenebra is one of the event weapons in Monster Hunter Tri. It's one of the weapons in Tri created by series fans. It's also one of the few MHTri event weapons able to be upgraded. Note: In Monster Hunter Tri, Dark Metal can only be obtained from the Rewards of the Cold Call Event Quest.