Mahaparinirvana Sutra
This particular samadhi is equally praised in the Mahayana Mahaparinirvana Sutra, where the Buddha explains that this samadhi is the essence of the nature of the Buddha, and is indeed the 'mother of all Buddhas'
The Buddha also comments that the Śūraṅgama Samādhi additionally goes under several other names, specifically:
- Prajnaparamita (perfect insight),
- Vajra Samadhi (Diamond Samadhi),
- Simhanada Samadhi (Lion's Roar samadhi), and the
- Buddhasvabhava (Buddha essence).
Read more about this topic: Shurangama Samadhi Sutra