On the night of 2 May 1998, dark forces attempted and succeeded to penetrate Hogwarts Castle. Wizards and Witches of age were given the right to fight, but in the end, it was up to them to determine whether they would stay and where their loyalties lied. Let us remember the Battle of Hogwarts.
(Source: exeters, via )
I’m so sorry, I couldn’t help myself.
When slytherins took the lead:
But then Ravenclaws put them in their right place: