Orokin principles challenge guide.
All challenge rooms lua.
They are seven separate rooms tucked away at random in missions on lua.
Seven puzzles in seven hidden rooms known as the halls of ascension.
Halls of ascension or the seven principles are special locations on lua containing puzzles to solve.
In warframe lua contains halls of ascension 7 tests and a music puzzle known as the conservatory.
This chapter is fully dedicated to lua a satellite of earth.
In warframe the halls of ascension are puzzle rooms that can be found on lua solving them will get you some interesting mods that can be important for certain builds.
The puzzles require speed focus and cooperation with other players.