286.92-288.13 – Fast Maneater
286.92-288.13 – Slow Maneater
238.10-239.10 – Ma’Shalled
220.29-238.09 – Seeker
184.71-191.27 – DPS (*NO Relentless; Relentless variation below)

* DPS champion cannot have random extra turn procs as they can wear down their speed buff prematurely
* See Advanced Notes below for explicit speed boundaries.

These narrower speed ranges allow for a single setup to be used across multiple difficulties.
Speed ranges for each difficulty are wider than shown above.
There is a lot of interdependency, and multiple tunes across the different difficulties that will eventually settle into the 2:1 and 5:2 turn ratios.
This tune may require a bit more effort to get the speeds precise enough for, but greatly simplifies the setup across difficulties.
CHECK YOUR SPEEDS WITH THE CALCULATOR!

Maneaters are going at a 5:2 turn ratio, alternating triple turns, while the rest of the team is going at a 2:1 turn ratio.
The Maneaters keep the team affinity-friendly and unkillable.

UNM/NM/Brutal/Hard Setup:
Fast Maneater – A2, A1, A1, A2, A3, auto
Slow Maneater – A2, A3
Ma’Shalled – A2
Seeker – A1, A1, A2
DPS – any
Can auto after Fast Maneater’s A3.

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Advanced Notes:
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ME1:
< 7.8/5*DPS
< 170*10/5.9=288.1356
> 6/4*DPS
> ME2

ME2:
< ME1
> 6/5*MaS
> 10000/7/5=285.7143

MaS:
< 5/6*ME2
< 8.5/6.5*DPS
> 10000/7/6=238.0952

Seeker:
< 10000/7/6=238.0952
> 190*8/6.9=220.2899

DPS:
< 4/6*ME1
> 5/7.8*ME1
> 6.5/8.5*MaS
> 10000/7/7.8=183.1502

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Relentless DPS Variant
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*Same Speeds will not always work for all difficulties – CHECK IN THE CALCULATOR. You may need to adjust 1 or 2 speed on Ma’Shalled (or other champ) to make work at lower difficulties.
Example set of speed ranges:
286.92-288.13 – Fast Maneater
286.92-288.13 – Slow Maneater
238.10-239.10 – Ma’Shalled
229.43-238.09 – Seeker
239.10-247.07 – DPS

Same setup as above for UNM.
For NM and Brutal, add a 2-turn delay to Seeker’s A2.
For Hard, add a secondary delay to both Maneaters’ A3s after Turn 1.
(Start as above, then on Turn 2 don’t use Fast Maneater’s A3 until their third action of the turn; on Turn 3 don’t use Slow Maneater’s A3 until their third action of the turn.)

Advanced Notes:
MaS < DPS < 6.2/7.2*ME2
Seeker > 6.5/7*DPS