A.- A seventh ability score is added to the others: Appearance. It's modifier is applied instead of charisma's modifier in occasions that social interaction is not possible. Also it's used in the first reaction roll with NPCs.
B.- During character creation, you have two options: I) Roll 3d6 seven times, two lists, pick one list, and assign.
C.- In addition to gaining an ability point every 4th level, characters on even levels that are not a multiple of 4 (starting at 6th), roll 1d8 in the following table:
1) Gain a Strength point.
D.- As mentioned before, a four character tree is used along with the chain leveling rule.
II) Roll 4d6 seven times in order, one list.
2) Gain a Dexterity point.
3) Gain a Constitution point.
4) Gain an Intelligence point.
5) Gain a Wisdom point.
6) Gain a Charisma point.
7) Gain an Appearance point.
8) Roll 2 times, treating a result of eight as none stat point gained.