Oliver Queen will wear a new suit that will signal a huge change in the main character, according to "Arrow" season 4 spoilers. Meanwhile, the series' showrunner teased that main villain Damien Darhk will be "pure evil."

Stephen Amell actually unveiled the new suit during the Comic-Con, said TVLine.

"We've always said the progression for Oliver is very much from the Arrow to Green Arrow. This is first real stop in that direction," showrunner Greg Berlanti said.

Executive producer Andrew Kreisberg teased "Arrow" season 4 spoilers when he said that the change will also be evident in Oliver Queen's attitude.

"The show isn't going to suddenly to become a comedy. When the season starts, he's in much a better place. He's happy. He's in love. That feeling infuses all the characters. There's a little bit more fun [and] more humor," he said.

As to the main villain, Damien Darhk, he would live up to his name, said showrunner Wendy Mericle.

"Damien doesn't have any code. He's just pure evil," she said about "Arrow" season 4 spoilers.

It seems Arrow is not only the one who is getting a makeover but Damien Darhk as well since he's just a minor character in the comics.

"The name has been kicking around the internet for awhile, but the Arrow episode 'Al Sah-Him' confirmed it. Damian Darhk will be the villain of Arrow season four," said Movie Pilot.

The website added, "Ra's al Ghul told Oliver about Damian, a man who thought he should head the League of Assassins, and then took off with their secrets and some waters from the Lazarus Pit to form his own organization."

"We know that organization is HIVE, which in the comics is known for having some super awesome technology. So Arrow season four may have a villain as devious and physically capable as Ra's al Ghul, but with sci-fi technology to back it up."

Watch out for more "Arrow" season 4 spoilers in this site.