Claudio Castagnoli vs. Eddie Kingston for the ROH World Championship is official for Supercard of Honor. 

On Thursday's Ring of Honor TV episode, Castagnoli accepted the previously-issued challenge from Kingston, adding that Kingston is "the biggest waste of potential he’s ever seen." 

Kingston "quit" AEW in an angle shot for social media channels on March 1, then appeared on the first Ring of Honor TV episode the next day to issue a challenge to Castagnoli. 

In addition to the World title bout being made official, the lineup for the Reach for the Sky ladder match for the vacant ROH World Tag Team titles was also finalized during Thursday's Ring of Honor TV show. 

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The Lucha Bros (Penta El Zero Miedo & Rey Fenix), The Kingdom (Matt Taven & Mike Bennett), Aussie Open (Kyle Fletcher & Mark Davis), Top Flight (Darius Martin & Dante Martin), and Rush & Dralistico will be the five teams squaring off the the vacant Tag titles on next Friday's PPV. 

Two additional title matches are expected to be announced for the PPV — Athena vs. Yuka Sakazaki for the ROH Women's World title, plus Wheeler Yuta vs. Katsuyori Shibata for the ROH Pure title — but are not official as of yet.

The updated lineup for the show: 

ROH Supercard of Honor, Friday, March 31, 7 p.m. Eastern time on pay-per-view —

ROH World Championship: Claudio Castagnoli defends against Eddie KingstonAAA Mega Championship: El Hijo del Vikingo defends against KomanderReach for the Sky ladder match for the ROH World Tag Team Championship: Lucha Bros vs. Top Flight vs. The Kingdom vs. Aussie Open vs. Rush & DralisticoROH World Television Championship: Samoa Joe defends against Mark Briscoe