Alavaster's Amalgumate Blade

As a bonus action You pour a drop of mercury onto your equipped blade. The blade gains a liquid silver sheen to its surface, shimmering and reflecting the light in a strange way.

You can use your action to make a melee spell attack with the blade. If the current target or another enemy is within 15 ft you may will the blade to lash out and strike again.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d6 for every two slot levels above 2nd.