Starcraft – Does a Thor take 3 or 4 volleys to kill two (2) hydras

starcraft-2

VS. ground Thors do 30 Damage per attack with 2 attacks.
Hydras have 80 health.
The Thor's attacks are staggered (not like the phoenix that makes both laser attacks at the same time).

Back to the question at hand: When a Thor is fighting 2 hydras (no upgrades on anything) will the Thor make a total of 3 or 4 full volleys? (1 volley being both attacks)
After the first volley the target hydra has 20 health. So, does the next volley finish off the target hydra and hit the second hydra once or does the attacking delay trigger on switching targets ultimately requiring the Thor to make a fourth attack.

Best Answer

Four

The way multiple attack work is:

  1. the weapon acquires a target
  2. the weapon fires its attacks (all of them)
  3. the animation for the attacks is displayed (usually a projectile, but not in the case of a Thor)
  4. the projectile collides
  5. the damage is applied on a per projectile basis
  6. the unit take decides if it is dead