Core Overclock

You expose your inner core and cause it to begin to overload.

As a bonus action you can expose your core and gain the effect of the haste spell, you also become vulnerable to piercing damage. After one minute (10 rounds) you start to make constitution Saving throw at the end of your turn. start DC 12 but the DC increases by 2 at the start of your turn. If you reach the 6th level of exhaustion (death) you explode, the blast radius is 5 feet× your proficiency bonus. Each creature within the radius must make a Dexterity saving (DC 8+constitution+proficiency bonus) throw or take 1d6 force damage for each unspent hit dice.