Board Thread:Questions and Answers/@comment-24308881-20170927205759/@comment-1705775-20171004162731

you can only kill Pennywise (AKA the physical form of IT) - you can never completely destroy the entity itself as IT is eternal and exists in the Macroverse (another universe).. so technically Pennywise is dead.. but IT is alive and unable to contact our world for some time.