MsChif and Daizee Haze square off in the main event of SHIMMER Volume 21 in a rematch of their Volume 14 bout, but this time the SHIMMER Championship is on the line! Plus the first SHIMMER Tag Team Champions are crowned in a six team Gauntlet Match to determine the inaugural title holders.
| Actor | Role |
|---|---|
| RRachel FrobelMsChif | MsChif |
 Daizee HazeNot listed | Not listed |
| AAna RochaAriel | Ariel |
 Kia StevensAmazing Kong | Amazing Kong |
 Melissa AndersonCheerleader Melissa | Cheerleader Melissa |
 Jamine BenitezMercedes Martinez | Mercedes Martinez |
 Ashley LombergerAshley Lane | Ashley Lane |
| JJennifer YkemaJennifer Blake | Jennifer Blake |
 Genevieve GouletLuFisto | LuFisto |
 Lindsay MillerNicole Matthews | Nicole Matthews |
| JJenna GrattanPortia Perez | Portia Perez |
| LLexie FyfeNot listed | Not listed |
 Malia HosakaNot listed | Not listed |
 Bonnie MaxsonRain | Rain |
| VVictoria HughesJetta | Jetta |
 Jessica McKayNot listed | Not listed |
 Alexandra FordMadison Eagles | Madison Eagles |
 Vesna Busic-ChaerWesna Busic | Wesna Busic |
 Kimberly Dawn DavisAmber O'Neal | Amber O'Neal |
 Danyah RivietzDanyah | Danyah |
 Nicole RaczynskiNikki Roxx | Nikki Roxx |
 Shannon SpruillDaffney | Daffney |
| AAmy JanasLorelei Lee | Lorelei Lee |
 Serena DeebNot listed | Not listed |
 Sara AmatoSara Del Rey | Sara Del Rey |
 Beth Vocke-CristNevaeh | Nevaeh |