[@Vega7] - Depends on their domain and how inclined a god is to keep themselves hidden. Dao Rugadh is the god of memory so he'd be better at hiding from gods of the mind. Iarus naturally would be the best at keeping himself hidden from detection since his domain is deception. Overall it largely boils down to how good your domain is at hiding/revealing things and how much effort the other god is putting into hiding. Even gods of large and easy to spot domains can conceal themselves, it's just harder.