So, I have always wondered, which champion pool does banning use? Does it use our champions that we own or the opponents?
An example: We don't own Warwick. Other team owns Warwick. We cannot ban Warwick cause we don't own him.
or
They own Warwick, we ban Warwick.
If they don't own the champ then you can't ban them. I'm not sure if you can ban Champs that only you have
So if you're banning, the list you see is all the champions the enemy team owns. The list the enemy team sees is all the champions your team owns.
That's why you need to own 16 champions before playing any Draft queues (Ranked you actually have to own, Normal Draft I believe takes the 10 free champions into account). This is because if you own 15 champions, it's possible that 6 champs you own get banned and each person picking before you picks a champion you own as well. This would leave you with 0 possible champions to play. With 16 there will never be a situation where all of your champion pool is picked or banned.
It's based on the enemy team champion pool. That's why you can type your main and see him not in the list. That'd be because no one on the enemy team owns your main.
