Ornn Strengths are his Weakness

Ornn has a Strong engage but he has a bad teamfight. Ornn can splitpush but he cannot take down tower. Ornn has a strong Passive that let him stay in lane but he has bad scaling resistance per level and bad health regen and mana regen. Ornn has good utilities but they don't scale late game because of his low movement speed that doesn't let him position well to land his CC. Ornn has good scalings but there is no good itemization that helps him scale his abilities. Q scale with AD for Damage, but has long cooldown without CDR and bad base damage. W scale with hp for health but has a fixed damage on W and it does magic damage. E scale with MR and Armor for damage but has crap base damage, and bad MR and Armor ratio R has a random AP ratio of 20%.