Necromancy Nex

Introduction
This guide is meant to hit the in-game master Combat Achievement for speed at solo Nex. Boss mechanics can be found in the Nex basic guide.
Preset and Relics
⬥  is perked with Caroming 4
 is perked with Caroming 4  and is used for Greater Ricochet
 and is used for Greater Ricochet 
⬥ Deathdealer robe bottom is perked with Clear Headed 4 
⬥  from Glacor Cave is required.
 from Glacor Cave is required.
⬥ Has only been tested with the T100 upgrade from  for
 for  and may be inconsistent without.
 and may be inconsistent without.
   • Fill with  as needed
 as needed
Rotation
Pre-fight
 +
 +  + walk to middle-south →
 + walk to middle-south →  →
 →  →
 →  → (at around 6s)
 → (at around 6s)  +
 +  →
 →  +
 +  →
 → 
Smoke Phase
(tc) +  +
 +  + walk 1 tile north-east of Nex →
 + walk 1 tile north-east of Nex →  →
 →  +
 +  to Fumus
 to Fumus
Note: stalling crackling between kills can help make this phase more consistent.
Fumus
(tc) +  +
 +  →
 →  +
 +  →
 →  +
 +  → walk towards nex for skull bounce
 → walk towards nex for skull bounce
Note: you are aiming to have skulls bounce onto Fumus and then back to Nex.
Shadow Phase
 
  →
 →  
  →
 →  
  if not 120k +
 if not 120k +  +
 +  to Umbra
 to Umbra
Note: The (tc) timing is when  kills Fumus as this will then tag Nex with a hit of
 kills Fumus as this will then tag Nex with a hit of  . This allows the
 . This allows the  
  to not be nulled.
 to not be nulled.
Umbra
(tc) Umbra +  +
 +  →
 →  +
 +  →
 →  +
 + 
Blood Phase
 +
 +  →
 →  →
 →  →
 →  →
 →  →
 →  +
 +  →
 →  →
 → 
Note: Move towards Cruor during this phase.
Cruor
(tc) Cruor +  →
 →  +
 +  →
 →  +
 +  →
 →  if not dead
 if not dead
Notes:
⬥ If you do not get a darkness skip, ensure you are attacked 3 times to start the Ice phase on Nex's 'Contain this!' special attack.
⬥ Position Nex near Cruor if possible so that  spreads to her when Cruor dies.
 spreads to her when Cruor dies.
Ice Phase
 →
 →  →
 →  +
 +  +
 +  to Glacies
 to Glacies
Glacies
(tc) Glacies +  +
 +  →
 →  +
 +  +
 +  →
 →  +
 +  →
 →  if not dead
 if not dead
Zaros Phase
 →
 →  →
 →  
  →
 →  →
 →  →
 →  → improv
 → improv
Example Kills