• Kim Go Eun and Gong Yoo star in the tvN fantasy drama 'Goblin.'

Kim Go Eun and Gong Yoo star in the tvN fantasy drama 'Goblin.' (Photo : YouTube/tvN drama)

"Goblin" TV ratings continued its upward climb as the tvN fantasy drama reached the end of its 16-episode run. Viewership shares in Seoul reached the 20 percent mark while Gong Yoo, Lee Dong Wook and other cast members share their thoughts on the end of the popular series.

Gong's hit drama "Goblin" capped off its series finale with a two-episode broadcast that featured heartbreaking plot lines as the fates of beloved characters were revealed. Aired back-to-back on Jan. 21, Saturday, the final episode registered record-breaking numbers for the tvN drama.

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"Goblin" episode 16 posted TV ratings of 18.68 percent across the South Korean nation and viewership shares of 20.98 percent in Seoul, according to Nielsen Korea. More than 2.3 million households nationwide tuned in to watch the tvN drama's finale, while around 1.1 million households in Seoul watched the drama's final broadcast.

Meanwhile, tvN recently unveiled photo stills of the cast members showing hand-written messages for avid viewers. Released several hours ahead of the fantasy drama's finale, as obtained by Korean news outlet Donga, lead stars Gong, Lee, Kim Go Eun, Yoo In Na and Yook Sungjae conveyed messages of gratitude for the fans' support.

Gong channeled his inner goblin as he quoted one of his character's popular dialogues to express his love for the fans and that he was happy to have stayed by the viewers' side through the tvN drama. The "Train to Busan" star even ended his message with a "Gong-blin" signature which is an inflection of his name and his immortal persona in the series.

The actor's co-star Lee also conveyed his appreciation for the viewers' support and requested the fans to remember his grim reaper character for a long time. Yoo, Kim and Yook also thanked the viewers for watching the tvN drama and for expressing love towards their characters Sunny, Eun Tak and Deok Hwa, respectively.

"Goblin" is set to release a two-episode special in early February that contains blooper reels, behind-the-scenes footage and cast interviews. Watch a clip from the series finale below: