Board Thread:Plants vs. Zombies 2: It's About Time/@comment-5760976-20150210161357/@comment-24735666-20150211223326

Yeti imp is not immune to ice.

Imps are faster than basic zombies, so they should be more expensive, something like 65 sun. If they would cost 50 sun, they would be of course used instead of basic zombies. We can take away some of their HP though.