Does the Ballista's poison effect stack? Marek November 13, 2017 21:51 Updated Follow Yes, the Ballista Tower's poison effect can hit a dragon multiple times and effectively cause massive damage. Related articles How does the "Breed 20 Eggs For Guaranteed Progress" feature work? Atlas Glossary of Common Terms My "Defense Power" suddenly gone down How do we end a war earlier than scheduled? Live Event Issues Comments 0 comments Article is closed for comments.