Sans

All attacks besides Q and Phase 2 E deal ticks of one damage, with no delay between each one. The unlock methods for Phases 2 and 3 can be found.

Stamina (PASSIVE): All direct damage taken is reduced to 1.  Phase 1 = |-| Phase 2 = |-| Phase 3 = |-| Info

 PHASE 1 

bones (LMB) [5s]: Summon a line of bones in front of you.

* you're blue now (Q) [7s]: Throw the nearest enemy into the ground, dealing 10 damage and applying Cripple.

take a shortcut (E) [1s]: Teleport in your movement direction.

[F] (Requires Stronger Than You badge): Enter Phase 2.

 PHASE 2 

bones 2 (LMB) [1s] Identical to bones, except with the addition of auto-aim (NOT HOMING) bones raining from above.

* you're blue now (Q) [5s]: Identical to Phase 1's version of * you're blue now, but has a shorter cooldown.

a little trolling (E) [1s]: Identical to take a shortcut, but teleports further and summons a large bone in your previous location.

gaster blaster (F) [2s]: Summon a Gaster Blaster that fires a beam at your cursor.

[Unnamed] (M): Enter Phase 3.

 PHASE 3 (melee sans melee sans) 

bone slash (LMB) [0.7s]: Swing with a bone, inflicting a stun effect. Can be used 3 times before going on cooldown.

* you're blue now (Q) [5s]: Identical to * you're blue now from Phases 1 and 2."* i'm tired (Q ALT) [5s]: Pull the nearest enemy to you, then instakill them. Activated when the nearest enemy is below 25% HP."teleport (E) [0.5s]: Teleport a very short distance in your movement direction.

funny box (F) [30s]: Summon a box around yourself to prevent opponents from escaping. Lasts 10 seconds, and you are invulnerable while active.

Trivia

 * colaosmash wanted the passive to be called "without" but explosives said no
 * ha ha sucks to suck