Since the patch where the "Frost tower" was fixed, the PDT (Poison Dart Tower) is now chilling and slowing the enemys with it's poison. This happens as soon as the first monster dies and makes the so strong PDT even stronger for the slow is very strong. There was no sphere nor equipment equiped which could provide any freeze on the PDT.
Steps to reproduce:
The PDT does not apply any chilling effect on the monster.