PSA: Infernal Drake isn't nearly as good as you probably think it is
I keep hearing people say that it gives 8% more damage against champions. It actually increases your AD and AP ratios by 8% when calculating damage against champions. This means it does nothing for your clearing or objective taking, and that champions with lower ratios and core items with less raw AP/AD receive less benefit from it. Supports and full tanks in particular gain almost nothing from Infernal Drake. It's even worse when you're dealing with a spell that uses bonus AD scaling instead of total AD. Here's a little something I just posted on Reddit:
A Zed with Ghostblade and Cleaver deals 309 damage with Q at max rank. Infernal drake bumps that up to 316.92. This means Infernal Drake effectively added 7.92 damage to Zed's Q. If it did a flat 8% more damage, he would've gained 24.72 damage, well over triple that.
I'm definitely not saying that Infernal drake is bad, more damage can always be appreciated, and the global exp is nothing to scoff at. I just wanted to let people know this.