'Game of Thrones' showrunner says odds are very good for an HBO spin-off -- but he won't be involved

"Game of Thrones" concludes in 2018, but the game isn't over for characters who survive the bloodshed.

During a South by Southwest (SXSW) Film Festival panel this weekend, "Game of Thrones" showrunners David Benioff and D.B. Weiss addressed the possibility of an enduring Westeros -- and the likelihood sounds shockingly promising.

Benioff didn't hesitate to reveal that HBO is openly interested in continuing the "GoT" journey post-finale: "The characters who maybe will survive -- there's always going to be this temptation to keep doing it ... to do the spin-off show or do the sequel show and everything. And I think HBO might well do one."

Featured Session: Game of Thrones - 2017 SXSW Conference and FestivalsGetty

Of course, this reveal comes with caveats. Benioff clearly indicated that should HBO go forward with these ideas, he and Weiss likely wouldn't be involved.

"I'm looking forward to watching it," he said. "I think it'll be great, but it's better for them to get new blood in with new visions."

The other catch? There's no way of knowing who -- if anyone -- will survive the guaranteed massacres of the final two seasons. "Game of Thrones" is one of the most violent shows of all time, and the writers haven't restrained themselves from killing off even the most beloved characters.

The seventh season of "Game of Thrones" premieres in July.

RELATED: See photos of filming locations for "Game of Thrones":

Game of Thrones filming locations see a spike in travel interest
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Game of Thrones filming locations see a spike in travel interest
Mdina, Malta

Interest in the 4,000-year-old capital has increased 18 percent, thanks to the gate that serves as the entrance to King's Landing from the first season.

Trsteno, Croatia
Dubrovnik may be the central filming location for King's Landing, but head seven miles north to explore the Red Keep's lush gardens where many of Cersei, Margaery, and Lady Olenna Tyrell's hushed conversations occur. Interest in the Trsteno Arboretum has increased 18 percent.
Girona, Spain
Girona and its winding streets came front and center in season six, as the location of Arya's (blind!) battle training in Braavos. The new filming location has seen an increase in searches of 19 percent.
Myvatn, Iceland
Near northeastern Iceland's Lake Myvatn, Grjótagjá is the small volcanic cave where water in the spring can top 100 degrees Fahrenheit. It's also home to Jon Snow and Ygritte's subterranean love scene and has seen an increase in interest of 42 percent.
Krka National Park, Croatia
Krka National Park may not be the most recognizable Game of Thrones filming location—but it serves as a backdrop for a number of on-the-road locations and wide shots from across the Seven Kingdoms. Interest from TripAdvisor travelers has grown by 46 percent.
Vatnajokull National Park, Iceland

Vatnajökull is Europe's largest glacier and played a major role in sweeping scenes Beyond the Wall. East of Reykjavik, the national park has seen an increase in interest of 58 percent.

Courtesy TripAdvisor

Dimmuborgir, Iceland
To the north, Dimmuborgir is the setting of Mance Rayder's wildling camp and travelers' interest in visiting the rock formations has increased 64 percent.
Vik, Iceland
Playing the part of the Frostfang Mountains beyond the Wall, the Höfðabrekka range is near Iceland's southernmost city of Vik. TripAdvisor has seen a 78 percent increase in interest from travelers and Thrones fans.
Campillo de Dueñas, Spain
The Tower of Joy—which plays a pivotal role in Lyanna Stark's storyline this season—sits between Madrid and Barcelona, and interest in the castle has increased a whopping 291 percent since the show started filming there in 2015.
Klis, Croatia
The Klis Fortress may not have been on screen for long, but it can be recognized as part of Meereen, one of the many places on Daenerys's path to power. The Croatian city just north of Split has seen the largest uptick in interest from travelers, with an incredible 579 percent increase. (No, that's not a typo.)

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