Do I want my slaves rooms beautiful or no?

[BubbaLovesYa-TTV]

Would beauty make suppression less?

[WarHøg]

no, its terror. You need gibbet cages and skull pikes around your base, or just where the slaves stay and work.

Put slave collars and slaves straps on them, and youre good to go.

So, its two buildings, two clothing items and a warden supressing them, thats what you need.

[WarHøg]

I also recommend only getting incapable of violence slaves, works perfectly

[Techy]

the collars/straps should be on the tailor bench

[Cormac]

there are 2 different values you need to look out for:
supression, it falls each day, unless they have enough terror or wear collar&straps

Slave rbellion interval:
supression is a huge factor in, at 100 supression, the intervall goes up by 300%
but another factor is their mood. slaves get a nice buff to their mood anyway, but making it go higher adds even more. at 100 mood, they get another 25% above, and it is multiplicative

that means, supression is a 400% multiplication and mood is 125%, together 500% (instead of 400%+25%)
a beatiful room will give your slaves a mood buff, is it worth it, who knows, but if you have both decoration, time and room to spare, sure, why not