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Cannon shells, the non-explosives one, that have not had their damage upgraded to level two or higher have a piercing effect when striking a bitter nest, passing through the nest and continuing to damage things on the other side. However, once you upgrade the damage high enough that the nest dies in one hit, the shells loose the piercing effect, and vanish when striking a nest.

Piercing shells don't do enough damage to piece through nests - they do 300 piercing damage and a nest has 350 health.

So once you upgrade the shells it means they consume all the piercing damage on the nest and then extra damage on exploding resulting in the nest dying.

Rseding91 wrote:Piercing shells don't do enough damage to piece through nests - they do 300 piercing damage and a nest has 350 health.

So once you upgrade the shells it means they consume all the piercing damage on the nest and then extra damage on exploding resulting in the nest dying.

They pierce through nest before they have been upgraded, doing the same damage to each nest?

silentdeth wrote:

Rseding91 wrote:Piercing shells don't do enough damage to piece through nests - they do 300 piercing damage and a nest has 350 health.

So once you upgrade the shells it means they consume all the piercing damage on the nest and then extra damage on exploding resulting in the nest dying.

They pierce through nest before they have been upgraded, doing the same damage to each nest?

I checked and they don't. The tank with no research doesn't pierce through the nest because it only has 300 piercing damage and the nest has 350 health so it uses all the piercing damage on the nest.