Talk:Nyx/Prime/@comment-61.242.114.227-20150310094141/@comment-8256051-20150310122631

Interceptions that have an enemy level between 10 and 20 (and even the 8-10 Interception on Mars) yield non-endless keys (capture, exterminate, mobile defense, sabotage).

Higher level interceptions will only yield endless keys (survival, defense, interception).