You point you extended finger at one creature within the spells range. The creature must make a Constitution saving throw against you spell save DC or become "Blinded" "Deafened"  and "Paralyzed" in addition the creature has its AC lowered by 2 and has all its resistances and immunities removed the creature gains vulnerability to all all damage types . If the creature succeeds against your spell save nothing happens. At the end of each of the creatures turns it can repeat the save and on a success the spell ends, it gains 2 levels of exhaustion  and it becomes immune to the effects of this spell for 24 hours.