How did Lethality affect ArPen ADC builds?
Obviously there were some direct nerfs, like Ghostblade losing the attack speed, and Duskblade losing some AD and getting a less useful passive for ADCs, but how did the shift from ArPen to Lethality affect the build path overall? Is the damage loss noticeable early game? Does the enemy level scaling keep it from falling off as hard compared to crit?