Make Frozen Mallet melee only

Then add a new item, we'll call it Entropy. Builds from . Gives attack speed, HP, OnHit magic damage, AND

UNIQUE passive: Every fourth consecutive attack against the same target sets them alight, dealing (amount) magic damage and slowing them by 30% over 2 seconds.

That would be the new slowing item for Ranged folks. Or melee folks, I guess, if they really want another OnHit item. Because the item requires four consecutive attacks to slow the target, that would give FAR more room for champions to interact with the user before they get blasted with a crippling slow.