RIOT has already announced its line-up for the upcoming 2021 Wild Rift SEA Icon Series, and Bigetron Esports (BTR) is not on its list.
Bren, RRQ PH, and Alter Ego were among SEA teams that were confirmed to join. BTR, despite being just as active, and winning, is not on the list.
BTR, despite going big in their Wild Rift roster, seems missing-in-action. BTR is actively working on their current roster, and they have been active in several competitions.