. Cooldown is 10 seconds.The damage amplification from the tier 3 counterattack left both land and air forces stunned.A whopping 1500%!This is equivalent to fifteen times!Although it's still a 200 hea...t.With these skill requirements, even if an ordinary person obtained the skill book, they wouldn't be able to learn it.Luckily, this skill is still easy to learn for land and air.He made his decision...