what stages have brutalities
To answer your question, and post complete info... I will post a list I came across and tried on my own....
MORTAL KOMBAT X HIDDEN BRUTALITIES
1--Dead Woods: Log impale - Final hit must come from Throw Log (interactable near the right corner) at mid/full screen distance..
Conditions - use at least 3 interactables during the match
2--Kuatan Jungle: Head Smash - Final hit must come from the aztec statue interactable near the center of the stage
Conditions - use at least 3 interactables during the match
3--The Kove: Pirate Pool - Final hit must come from an uppercut (down + triangle).
Conditions: Hold both front and back kicks (cross + circle) before (and while) executing the uppercut finisher.
4--The Kove: Dead Kills - Final hit must come from throwing a corpse at the opponent.
Conditions: Hold "Forward" at the directional pad/stick before/while the corpse hits the opponent.
5--Quan Chi Fortress: Hammer Time - Final hit must come from the hammer interactable (near the right corner).
Conditions: None (that I know of)
6--Lin Kuei Temple: Cleansing Fire - Final hit must come from throwing any of the interactable "fires" at mid/full screen distance.
Conditions: Hold "Forward" at the directional pad/stick before/while the object hits the opponent.
7--Outworld Marketplace: Blanche's Revenge - Throw Blanche (the old lady) at the opponent as the final hit of the match.
Conditions - use at least 3 interactables during the match.
***Alternative Stage Brutality Ender - Throw Blanche and hold "Down" at the directional pad/stick before/while the lady hits the opponent.
X-Ray Brutalities
Erron Black- End the match with an X-ray as last hit
Conditions: -use 3 "Sand Trap" Command Grab during the match.
Sonya Blade-End the match with an X-ray as last hit
Conditions:-UNKNOWN
Jacquie Briggs- End the match with an X-ray as last hit
Conditions: -the first hit from the move must kill the opponent (so the opponents health must be at 5% or less) and hold "Down" while it connects.
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Secret Brutalities
Cassie Cage-Eyeballs: Do Enhance nutpunch brutality (not mentioned on list)
Cassie Cage - The American Way: Final hit must come from Down, Back + 1 (square)
Conditions: Only in SPEC OPS variation. Must connect The American Way during the match once and hold 1 (square) while the move connects as the final hit (usually just do the command and hold 1 while it connects)
Kenshi - Blade Reflect: Final hit must come from Down, Back + 2 (triangle) reflecting projectile.
Conditions: Only in KENJUTSU and BALANCED variation. Works only on opponents with projectile Brutalities.
Kitana - Bounce Back: Final hit must come from Down, Back + 4 (circle) reflecting projectile.
Conditions: Only in ROYAL STORM variation. Works only on opponents with projectile Brutalities.
Mileena - Low Pounce Kombo: Final hit must come from Down, Back + 4(circle), Forward, Forward +1(square), Down, Down + 2 (triangle).
Conditions: Only in RAVENOUS variation. The opponent must have very low health, so when the first combo hit connects the opponent is already dead.
Predator - Ugly Mother: Final hit must come from 3(cross), 2(triangle), Throw (L1 or square + cross).
Conditions: Hold 2 (triangle) while the combo connects the final move.
Predator - If it bleeds: Final hit must come from Back, Forward + 3 (cross). Blasts do different hits at close and far distances.
Reptile - Alternative Acid Wash: Final hit must come from Down, Forward + 1 (square).
Conditions: The same from the Acid Wash listed on the game (25% damage with Acid Spit during the match), but you must hold UP while the hit connects to change the brutality end.
Shinnok - Stolen Brutality - Final hit must come from Down, Back + 1 (square) using the power stolen.
Conditions: Only in IMPOSTOR variation. Stole opponent power with Mimicry (Down, Back + 1 [square]) before killing the opponent with the Stolen Move. Works against D’vorah, Ermac, Jax, Kung Jin, Mileena, Sonya Blade and Sub-Zero.
Tremor - Throw: Final hit must come from a throw (L1 or square + cross).
Conditions: Hold Down while the throw connects.
Tremor - Rolling Legs: Final hit must come from Back, Forward + 4.
Conditions: Works with any variation or stance (gold or lava skin). Do 3 rolling magmas , Back, Forward +4, then the final hit. IF you enhance the move (pressing block [R2]) the rock will tear the opponent a bit differently.
Tremor - Rock Slam: Final hit must come from Forward + 2 (triangle).
Conditions: Must Perform at least 4 Rock Slams during the match.
Tremor - Shock Wave: Final hit must come from Back + 3(cross), 2(triangle), 2(triangle).
Conditions: Hold 1 (square) while the last move from the combo connects.
Tremor - Lava Drop: Final hit must come from Down, Back + 3 (cross).
Conditions: Only in METALLIC variation. Only while Lava Skin (Down, Down +1 [square]) is activated.