Few days back, Mars came into Zodiac sign Scorpio. I can Imagine, how astrologers all around world have minted millions out of naïve people out of their fear and most Media propaganda.
Mantras are for protecting mind (from its enemies, i.e. one’s weaknesses like ego, pride, attachment, lust, anger etc). Imagine one’s mind to be a person. Imagine one’s weaknesses to be enemies charging at the person aggressively. Imagine mantra to be a weapon (stick or stone or gun) in the hands of the person.
Fake astrologer will always get you into FEAR mode. He will be frightening you in subtle tones. They use words like Sadesatti , Kalsarpa Yoga and so many ..