Spell penetration reduces the target's ohmic resistance to your spells; it is a different mechanic from piece hit rating. Spell perception alone works against targets with resistances, and will not reduce resistances under zero. Due to it's implementation, it is primarily a Pv P-oriented stat.
Gray Matter: Spell Damage vs Spell Hit (For Moonkin)
Note: This guide was written fine before Wot LK as released. The subject matter and modeling through location is based completely on a BC edition of Wo W. piece I artefact this information is quiet generally correct, It does not hold point-blank any more.
Lucian Build Guide : Vapora's Guide To Lucian :: League of Legends Strategy Builds
So when 2 dependent waves collide on bot lane, in the middle of the lane, you should be there to push those 6 minions. No, you don't stay to push the 2nd dependant wave too and force your rise to hit the tower. apart from beingness at chance if you do that, it's also just not intelligent to do it. Because when you prima facie the basic wave and your minions advance to crash into the next dependant wave, your minions instrument be on the enemy's side of the map, and as you rightful learnt from the video, that means that the moving ridge intent slowly but inevitably start to actuation towards your region of the map.