BTS were battered by the elements as they kicked off their marathon world tour in Goyang Stadium, South Korea. The band, and their fans, were drenched by heavy downpours throughout the open-air show.

BTS kicks off its ARIRANG World Tour on April 9, as the septet RM, Jin, Suga, J-Hope, Jimin, V and Jungkook reunite in front of over 41,311 fans at the sold-out Goyang Stadium. Here's everything that happened before the opening.

BTS faces fresh debate after a viral Seoul concert clip showed Jin's mic away from his mouth while vocals continued. Fans blame stream lag.

BTS kicked off their much-anticipated Arirang World Tour with a spectacular opening night, braving relentless rain to deliver a high-energy performance that left fans in awe. Concert kickstarts at Goyang Stadium The concert,

Similarly, their performance of “Fire” featured even more pyro. They flexed their choreography skills on the “Mic Drop” remix (but didn’t drop their mics at the end.) And they kept moving in the round for “Run,” so that all of the 40,000 people gathered for the first night could see one of them at a time.

A viral BTS concert clip from the ARIRANG world tour has sparked a heated online debate over alleged lip-syncing—but fans insist it was just a livestream delay and editing glitch, not the real performance.

Fans react to BTS’ return to the stage after nearly four years, at the opening night of the K-pop megastars' "ARIRANG" world tour in Goyang, South Korea. (April 9)