Blast

Elemental Blast
Greemsteel T3/Alchemical T2: 1d10 * (critical multiplier -1) on Critical, + 4d6 on Vorpal
 * 2x multiplier = 1d10 on Critical, + 4d6 on Vorpal
 * 3x multiplier = 2d10 on Critical, + 4d6 on Vorpal
 * 4x multiplier = 3d10 on Critical, + 4d6 on Vorpal

Alchemical T3: This weapon is imbued with a wrath. On an attack roll of 20 which is confirmed as a critical hit this power will be released, dealing damage to the target and all enemies near it for 15d6 damage. A successful Reflex save (DC 34) reduces this by half.