This is, of course, a listing of all the powers and attacks she uses in the manga. This listing includes the Japanese text, a romanization of the power, and a lot of other little things.

Transformations

Saturn Crystal Power! Make Up!

Romanization: sataan kurisutaru pawaa! meiku appu!
Power First used: Act 39, Volume 14
Item used: Saturn Crystal
Description: Used to transform into Sailor Saturn.

Death Reborn Revolution

Romanization: desu reboon reburyuushon
Power First used: Act 33, Volume 10
Item used: Silence Glaive
Description: This power was used to drain the energy from Pharaoh 90. The kanji used with this manuver means 'death world change' but the furigana shows that it should be spoken as Death Reborn Revolution.

Bringing Ruin to the World
Romanization: N/A
Power First used: Act 33, Volume 10
Item used: Silence Glaive
Description: All Sailor Saturn must do to bring about the destruction of the world is to bring down her Silence Glaive. There is no incantation for this manuever. See Ian-san's article here.

Silence Wall

Romanization: sairensu vooru
Power First used: Act 39, Volume 14
Item used: Silence Glaive
Description: Used to protect against attacks. The kanji used with this manuver means 'fixed wall castle' but the furigana shows that it should be spoken as Silence Wall.

Silence Glaive Surprise

Romanization: sairensu gureibu sapuraizu
Power First used: Act 39, Volume 14
Item used: Silence Glaive
Description: The kanji used with this manuver means 'silence sythe surprise attack' but the furigana shows that it should be spoken as Silence Glaive Surprise.

Galactica Glaive Surprise

Romanization: gyarakutika gureibu sapuraizu
Power First used: Act 50, Volume 18
Item used: Silence Glaive
Description: She used this attack only when she was under Galaxia's control.