User blog comment:Mr. Boss-inator/PvZH Illegal Combos/@comment-26572281-20160808051503/@comment-5760976-20160809120853

Strongberry does 2 damage, when it would attack, if there is a second Strongberry, it will make it deal 4 damage, unless it deals the damage afterwards, in which yes, Knight of the Living Dead would not be hurt, and it'll be a waiting match.