Relevant part is the beginning of the article. It's actually old news, but I saw it linked in a different thread and thought I had to share so more people could see this!

It's the screaming you hear first. Starting at a low rumble, it gains in pitch until suddenly its source bursts through the wall of smoke. It feels like everything's happening in slow motion; the villagers, their faces twisted in fear as they run through the muddy streets, slipping and falling in the twilight dim. Their pursuers; an army of twisted trolls, storming the Old Town quarter of Stormwind, cackling as they rip through the crowd, bouncing from victim to victim, sparing no-one from their savage attack. There - a troll grabs some poor blacksmith by the neck, and slams him into ground. There - a dressmaker is smashed in the face with a shield, leaving her to crumple like a rag doll. It's a massacre.

 

And then, the sound of hope - a clarion call sounds, and another army charges through the smoke. They glisten in suits of armour, wielding swords with four-foot blades and impossibly large shields. The leader, whose kit is decorated extensively with ornate lion motifs, raises his sword, and they rush the trolls from behind. The leader's helmet is knocked off as his smashes into the first troll like a quarterback, flattening him. Villagers look stunned - it's King Llane himself, come to rescue them, with the great knight Sir Lothar at his side. The trolls turn in surprise and try to mount a counter-attack - one leaps off the Stormwind battlements at Lothar, who manages to raise his shield above his head just in time - the troll lands squarely on it, then backflips off, ready to charge again, only to feel the ice cold steel of Llane's sword slip between his ribs. Trolls fly in every direction, as Llane's army fights to save Stormwind - and watching over all of them is a dark figure, wearing a cloak made of raven's feathers, glistening like a thousand oily rainbows. He looks to be concentrating, as if painfully pulling up magic from the very earth itself. He raises his arms and then...