UPDATE: Here is the rest of the series: Dybbuk/Exorcism/Adultery: Part 2 - What Happens To A Spirit & Dybbuk/Exorcism/Adultery: Part 3 - The Destroyers
The first part of the shiur discusses a plague so lethal that as victims approached Rav Laniado for help, they dropped dead on the spot, and it explains how Rav Laniado remedied that.
(I couldn't catch the name of the book in which this story appeared, so if anyone figures it out, I'll be grateful if you let us know.)
Rabbi Zitron also brings fascinating stories from the Arizal & Rav Yehudah Petayah's Minchat Yehudah.
It all reinforces the importance of emunah and being real about your Yiddishkeit, kosher mezuzot, believing in the 13 Principles of Faith, and Torah learning.
And if you ever wondered why non-Jewish exorcists appear to succeed, Rabbi Zitron explains that the forces of tumah utilized in non-Jewish exorcisms damage the already damaged soul even more, so the soul flees in horror. (It's sort of like trying to clean a filthy garment by rubbing sewage into it; that only ruins the garment even more.) He also mentions exorcisms performed by priests in recent years, which resulted in the host's death (if it was even a real dybbuk-possession in the first place).
Also, if you were born in Av, it can help you glean extra insights into yourself.
Here it is:
Note: The Jewish view of astrology (mazalot) is that there's an influence that can always be overridden by our prayers, deeds, and Hashem. We may not rely on the mazalot nor may we attempt to predict the future with star charts. Jewish astrology walks in temimut with Hashem. However, Hashem created the influence for a reason & we can utilize the ruach of each month for beneficial purposes.