Shaiva Siddhanta theology, drawn from the agamas, rests on a threefold distinction between pati, the Lord Shiva, pashu, individual souls, and pasha, the real but inanimate bonds of materiality and ignorance that keep souls from recognizing their true relationship to Shiva. Because souls and Shiva remain eternally distinct even after liberation in this system, unlike the identity claimed by non dual schools, liberation instead means a soul shedding its bonds enough to act with Shiva's own qualities, a state the tradition treats as reachable only through the specific initiation, diksha, and the daily and periodic worship the agamas prescribe in close ritual detail, covering image consecration, temple architecture and the sequence of daily offerings. That ritual authority made agama trained priests, and the monastic lineages that trained them, figures of real institutional weight, and the tradition's historical reach into royal courts across South India left a lasting mark on temple patronage patterns that outlasted the political dynasties that built them.
In Tamil Nadu the agamas' ritual framework runs alongside, rather than in competition with, the devotional hymn tradition of the Tirumurai, so that a working Shaiva Siddhanta temple today typically combines agama prescribed image worship with recited devotional hymns from that separate canon in the same daily and festival calendar, a combination scholarship reads as characteristic of how the tradition's theology and its popular devotional life reinforce each other in practice rather than occupying separate spheres.