From Solium Infernum Wiki

Your starting Legion's stats are based on your starting Attributes.

• You get 6 Legion Points base.
• You get 1 Legion Point for each Attribute above 0, except Charisma.
• You get 1 Legion Point for each level in any Attribute, again, except Charisma.
• Each Legion Point is randomly assigned to one of your starting Legion's stats (Ranged, Melee or Infernal) until they are all spent.

You can make educated guesses about your opponents by summing their starting legion stats. Here are some likely combinations for each total:

• 6: No points in anything but charisma.
• 7: [not possible]
• 8: A 1/0/0/0 distribution
• 9: A 2/0/0/0 distribution -- or -- 1/0/0/0 with the 1 in martial/wickedness and a legion stat perk
• 10: A 1/1/0/0 distribution
• 11: A 2/1/0/0 distribution -- or -- 2/0/0/0 with the 2 in martial/wickedness and a legion stat perk -- or -- 4/0/0/0
• 12: A 1/1/1/0 distribution -- or -- 2/2/0/0 -- or -- 3/1/0/0 -- or -- 2/1/0/0 with the 1 in martial/wickedness and a legion stat perk
• 13: A 2/1/1/0 distribution -- or -- 3/0/0/0 with the 3 in martial/wickedness and a legion stat perk
• 14: A 1/1/1/1 distribution (this is the most efficient starting legion boosting build) -- or -- a 2/2/1/0
• 15: A 2/1/1/1 distribution -- or -- 3/1/0/0 with the 3 in martial/wickedness and a legion stat perk
• 16: A 2/2/1/1 distribution
• 17: A 2/2/2/1 distribution -- or -- 4/1/0/0 with the 4 in martial/wickedness and a legion stat perk (and neg.perk)
• 18: A 2/2/2/2 distribution
• 19: A 3/1/1/1 distribution with the 3 in martial/wickedness and a legion stat perk (probably Sorceror which allows 2 charisma if they are lord rank)
• 20: A 3/2/1/1 distribution with the 3 in martial/wickedness and a legion stat perk and little to no charisma (or a negative perk)
• 21: A 3/2/2/1 distribution with the 3 in martial/wickedness and a legion stat perk and a negative perk
• 22: A 3/1/1/1 distribution with the 3 in martial and two legion stat perks and a negative perk
• 23: A 3/2/1/1 distribution with the 3 in martial and two legion stat perks and a negative perk

Example

Martial:1
Cunning:2
Intellect:0
Wickedness:0
Charisma:3

Your Legion will have 11 points randomly distributed amongst it's Stats.

(6 base + 2 Attributes greater than 0 + 1 for Martial level 1 + 2 for Cunning level 2)

Resulting in something like

Ranged:5
Melee:2
Infernal:4
(5+2+4=11)

OR

Ranged:8
Melee:2
Infernal:1
(8+2+1=11)

OR

Ranged:0
Melee:4
Infernal:7
(0+4+7=11)

HP, level and special abilities are currently assigned on an unknown basis.

Your starting Legion has 'unwavering' loyalty, this makes it immune to the Pilfer, Coerce and Bribe ritual and acts as a 10 for other loyalty based rituals (e.g. Combat Deception). Your starting legion is also immune to some events (e.g. Capricious Wrath)

Initial movement points will be 2, unless the Fiendish Energy (+1) or Slothful (-1) perks are selected.