These are the DarkMasters that tried to kill the digidestined
Darkmasters
​​​​This digimon​ is​ a​ vampire who loathes the digidestined.He went to the real world to try to get the 8th digidestined to turn her evil, but that was failed because the turn of Gatomon. TheThird villian the digidestined faced. First destroyed by Angewomon, but returned as VenomMyotismon.Destroyed again by Wargreymon and Metal Garurumon.
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The leader of the darkmasters. Destroyed by MagnaAngemon with the help of WarGreymon and Metal Garurumon.
The first villian the digidestined faced.Destroyed by Angemon.First evil digimon to try to rid of the digidestined.He first tried to split the digidestined to destroy each one by themselves but failed.
The smallest of the Dark Masters and the one who lasted longest fighting against the DigiDestined (five episodes, though this is partly because of other major enemies and events, such as the return of Etemon as MetalEtemon, and the group discovering why they were selected as the DigiDestined). Destroyed by MetalGarurumon
​Apocalymon is the primary antagonist of the Digimon Adventure season, debuting in the final episodes (as the final villain) as the one responsible for creating the chaos in the Digital World, creating Devimon, Etemon, Myotismon, and the Dark Masters. He reveals that he was born from the data of Digimon who had died instead of digivolving, and that their sadness and anger fills his very being, causing him to be depressed and somewhat suicidal; this led him to wage war against the joyful Digital World, in order to share his suffering. In the Japanese version he refers to himself as "we", possibly because of his nature of being composed of the many Digimon whose data composes him, and as a reference to the Biblical Legion. After demonstrating his ability to use the techniques of Digimon the DigiDestined defeated, he uses his "Reverse Digivolve" attack to revert all of the DigiDestined's Digimon back into their default forms before then destroying the tags and crests. Apocalymon then uses his power to delete the DigiDestined and their Digimon, sending them to the Data World until they realize that they had the true crest powers within them all along, and they are able to rematerialize in the Digital World with their partners in their strongest forms for the true fight against Apocalymon. After the other Digimon destroy his Death Claws, WarGreymon and MetalGarurumon destroy his humanoid form. Though they think they have won, Apocalymon speaks, and explains that those were only minor parts of him. He performs his suicidal ultimate attack, Total Annihilation, in a last-ditch effort to destroy the Digidestined as well as the entire dimensional space, but the DigiDestined are able to use their Digivices to contain the blast, and only Apocalymon is destroyed.
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Apocalypmon is ultimately jealous of the light. As the beings which composed him were doomed to death by natural evolution, he has to watch as the reverse world, the world of light, get to rejoice in happiness as he suffers. Cursing it, he desires to rule over all the Digimon and the Digital World and twist the world to fit him and his darkness.​