Though he was not seen in "Countdown to Destruction", he was possibly reduced to sand by Zordon's Wave or he was purified since Rita Repulsa and Lord Zedd were purified as well.
Master Vile (voiced by an uncredited Tom Wyner) was the father of Rita Repulsa and Rito Revolto and was based on the character Yōkai Daimaō, the ultimate antagonist in Kakuranger.