Based on the context provided, the important practice or teaching that best completes the table is likely the concept of devotion or reverence towards a deity or enlightened being.
This can encapsulate the elements of having a merciful being who aids in spiritual growth, individual self-control, and the idea of inclusivity in salvation, as well as the use of mantras as a means of deepening one's connection to the divine.
If your table relates specifically to a particular spirituality or religion, let me know for a more tailored response!