Version 1.1 is an example of a lost version, was later discovered by discord user Corallus78.
Status: Partially Lost
Advent of Ascension (partially lost versions of a Minecraft mod; 2014-present)
Advent of Ascension (shortened to AoA) is a video game mod created by Xolova for the Java version of the popular sandbox game Minecraft, the mod first version was released back in June 24th 2014  The Mod adds 22 dimensions 275 mobs 29 bosses skills and a large numbers of items and blocks The mod has been well received but has been criticized for lack of quality of some additions, the hunter skill, and the damage limiter. the current developer is Tslat (also know as Scimiguy) and the latest version of the mod is 3.6.
Unfortunately, due to older versions being posted on a website that's no longer available and dead mediafire and mega links, most versions are considered lost, below is a list of know lost versions.
|Version Name||Release Date||Status||Notes|
|1.0||June 24, 2014||Found|
|1.1||February 1 2015||Found|
|1.1.1||February 4 2015||Found|
|2.3.10||July 14 2015||Lost|