The shield or defense is a ship and alien stat that helps to withstand damage. It can be improved with defenses or abilities.

Diferences betwen shield and defense:

Shield Defense
Needs to wait 5 seconds without receiving damage to start recharging (5% per second). Needs to be repaired at a base (watch Enkro ship's passive ability).
It has an absorption percentage (ignored by some abilities and attacks) It absorbs 100% of the damage (excpet for defense break abilities and defense penetrate attacks)
Presents a visual effect, and it's usually weaker than defenses. Doesn't show any visual effect, and it is usually stronger than the shield.

(More information coming soon)