User blog comment:Willbachbakal/(Item Concept) Spell-Based Sustain/@comment-24385282-20141115222330/@comment-1330314-20141116012013

Zz'Rot Portal hasn't been removed: its active summons minions that require their own models and animations, and so hasn't been released yet due to the art constraints. Soul Sickle is listed on the Items (scapped) subsection of the League of Legends VPBE section on the page.