This is the way One Night in Karazhan ends, not with a whimper, but with The Spire. Yes, we have reached the fourth and final wing of Hearthstone's [Free] latest adventure, and as always, the time is bittersweet. Yes, the adventure is coming to an end, but we are getting some fun cards that, hopefully, will change up the meta a bit and get the game feeling fresh again. It's been a fun four weeks, and this final wing is no exception. This week we got the Shade of Aran, Netherspite, and Free Medivh! encounters, and there were some fun surprises along the way and some very promising cards, too. So, let's start, shall we"
And by the way, If you haven't played the rest of the Adventure yet, check out our guides for the Prologue, Wing 1, and Wing 2.
The Prologue Guide Wing 1, The Parlor, Normal and Heroic Guide
Wing 2, The Opera, Normal and Heroic Guide
Wing 3, The Menagerie, Normal and Heroic Guide

 
'Shade of Aran' Normal and Heroic Guide and Decklist
This first boss' Hero Power is Ley Lines (Passive) Both Players have Spell Damage +3. So, as you suspect, any spells you bring along will be much more powerful than usual. Your opponent plays almost exclusively spells along with plenty of Secrets and minions that take advantage of Secrets (like Medivh's Valet and Avian Watcher). Because of the extra spell power, you'll have a bit of a hard time setting up a strong board and so will he. He plays plenty of Mage spells (Frostbolts, Arcane Explosions, and the like), and th...