Board Thread:General Discussion/@comment-36768939-20180830193747/@comment-32677294-20180923111934

the x-x-5 ace and the x-x-4 dart monkey are useless in btd6. the x-2 tack and the 3-x sniper are useless in btd5.

Kiran9871 wrote: Too be honest for me I really don't like heart of vengence, since I really don't like losing lives making the effect useless for me the next three uogrades are a different story in the early rounds you will likely lose lives.