Duplicat

1 pt cat
Hp 3
Md 2
Parry 1
Regen 1
Offense 1d3+1

2pt cat
Hp 6
Md 4
Parry 2
Regen 2
Offense 1d4+1

4pt cat
Hp 12
Md 8
Parry 3
Regen 3
Offense 1d5+1

8pt cat
Hp 24
Md 16
Parry 4
Regen 4
Offense 1d6+1
And then when they join forces, she either gets +1 for each cat attacking (so 8 cats on one person is 1d3+8)
Or it's just add the dice. (so 8d3+1)