Barbed Metallic Cloud

You are able to manipulate the space around a 20' cube, creating thin, sharp barbed wire. Any creature that starts it's turn in the area of effect must make a Dexterity saving throw or take 3d6 Metallon damage. In addition, any creature that moves into this area of effect takes 2d4 metallon damage.
This area is considered rough terrain
For one more mana you can increase the range of this effect by 30'

Material Components: Somatic, Material (A small razorblade)
Related Element: Metallon
Effect Duration: 1 Hour, Concentration
Effect Casting Time: 1 Action
Range: 60'
Manacost 2
Source: Warlock