: Kazuchika Okada defeated Jay White to reclaim the title, solidifying his position as the "Rainmaker" of the promotion.

Rainmaker: Kazuchika Okada becomes the IWGP World Heavyweight Champion. NEW JAPAN PRO-WRESTLING

: Following the IWGP Women's Championship match (won by KAIRI ), former WWE star Mercedes Moné made a shocking debut to challenge the champion, marking a significant moment for NJPW’s women’s division.

The event featured high-stakes title changes and historic appearances:

Taiji Ishimori (c) vs. Hiromu Takahashi vs. El Desperado vs. Master Wato IWGP Tag Team Title FTR (c) vs. Bishamon (Goto & Yoshi-Hashi) Bishamon Historical Significance

Wrestle Kingdom is often called the "". The 2023 edition was particularly significant as it was the first since the pandemic to allow cheering and vocal support from the fans. It also set the stage for a second night of competition on January 21 at Yokohama Arena, which focused on a cross-promotional rivalry between NJPW and Pro Wrestling NOAH. 2023.01.04 WRESTLE KINGDOM 17 in TOKYO DOME