Defeating "The Blair Wisp Project" in 5min

[Twintania]

My strategy for this mission is simple (If you want the bonus ghosts it may vary) you don't really need many ghosts for this I recommend Banzai, Terroreyes, Weatherwitch and Ghastly. Summon Stonewall and use "Quake" on the tree next to the chasm, Next summon Ghastly and Terroreyes and have Ghastly use "Bitter cold" and Terroreyes uses "Ice breath" now summon Weatherwitch next to the mortals and use "Thunderclap" the mortals will get freaked out and run across the frozen river and across the fallen tree and into the cabin, now have the Darkling use "Obsess" and it should draw them all to the basement. If one of them leaves then usually one or two other mortals will stay in the basement and call to his/her freind(s) this method has never failed me but the mortals of ghost master aren't the brightest so results may vary

If you want a visual walk through I made a video on it www.youtube.com/watch?v=u3Oz4gLvYKQ