Leena abruptly turned to her friends, Anneli and Timo, during a Bible study in her apartment in Raahe, a Finnish town located about 370 miles (600 kilometers) north of the capital, Helsinki.

“I have a bad feeling,” she said. “Let’s pray.”

The three university students sank onto their knees. At that moment, a tall dark figure burst into the living room and darted over to Anneli. She reeled in stark horror as the dark figure tried to grab her.

Timo and Leena prayed more earnestly.

Then a light figure entered the room and chased out the dark figure. The dark figure stood by the door and tried to reenter but the light figure blocked every attempt. After about 10 minutes, the dark figure gave up and left.

When calm returned to the room, the shaken students pieced together what had happened. Leena described the exchange between the light and dark figures. Timo had only seen light and dark shadows streak past him on the floor. Anneli didn’t want to talk about what she had seen.

Later on, the students learned that the attack had unfolded at the same time as a suicide in a nearby home.

“That’s why I had that bad feeling,” Leena declared.

Breaking her silence, Anneli acknowledged that she had practiced spiritism in the past and was still harassed by evil spirits. God, however, was more powerful, she said. Alone in bed after the attack, she had seen the light figure enter her room and sit on the bed until dawn.

The demonic attacks stopped after Anneli was baptized into the Seventh-day Adventist Church.

It was the first time that Timo had encountered the great controversy between Christ and Satan up close. It was not the last. Timo, usually a sound sleeper, woke up one night with the sensation that someone was staring at him in the darkness. Then he heard a voice.

“Don’t get baptized,” the voice said.

Timo, a software engineering student, was preparing to be baptized into the Adventist Church. He peered into the darkness. He couldn’t see anything, but he could sense someone’s presence. He prayed, and the presence left.

The next day, Leena told Timo that someone had committed suicide near his home the previous night.

“Do you know what time?” Timo asked.

She did. It was the exact time when he had woken up.