Sensor 1-4
Another symbolic skill, this skill preserves your visual sensors when your head is destroyed. Sensor 1 preserves one sensor, the forward sensor. Sensor 2 preserves the front and back. Sensor 3 preserves front, back and one side sensor. Sensor 4 prevents sensor loss due to head destruction. Each skill has one level. Upon this level up, the skill is enabled, and the next Sensor skill may be acquired.
Starting Lv: 0
PEXP to Lv up to Lv 1: 30
The costs are the same for all four skills.
