User blog comment:Zambu/Useless passives/@comment-5240463-20130501194604/@comment-8267817-20130502161441

actually it does scale based on level, and early game if his passive procs you just took a 0 damage hit from those OP minions, it is a laning passive because, let's face it, Sion has to farm for a good 30-40 minutesto be worth anything late game if the enemy team has ignite or any form of healing reduction