So lucian became broken in patch 4.12

his range was reduced from 550 to 500

but in exchange, his E had several changes: Cooldown: 18/16/14/12/10 seconds ⇒ 14/13/12/11/10 seconds NEW Now With More Pursuit: 40/30/20/10/0 mana ⇒ 0 mana at all ranks NEW Now With More Relentlessness: Cooldown is now reduced by 1 second per Lightslinger (passive) hit, doubles against enemy champions

but hey, look at these changes some patch later:

REMOVED" OCCASIONALLY RELENTING: Relentless Pursuit no longer removes slows COOLDOWN: 14/13/12/11/10 seconds ⇒ 18/17/16/15/14 seconds COST: 0 mana ⇒ 40/30/20/10/0 mana

that's right, all the buffs he received (except the new passive-E interaction) were removed in addition to the slow cleanse and passive nerf, AND the range reduction

riot, all he needed was a mana cost on his E and his passive being nerfed. Please revert some useless nerfs