In a society where life itself is made Intelligence I an imperative and inherent trait of this race. 

Immune to poison and all other Organic damage types.

Can make Other Clock Work Beings given 2 Weeks of downtime. And Can make non-sentient clockworks in 3 days' downtime. 

Cannot be healed through normal means. Parts and an intelligence check must be used. 1 Part is equal to 1d4 of health.

Arcana is the foundation of their sentience. And thus their society is formed upon arcana and has proficiency with arcana.

Self-modification allows the addition of any two modifications to yourself. This includes bonuses to everything from running to strength.