Draft:Collected Dhāraṇī Sūtras

陀羅尼集經

is a Buddhist scripture. It has a rainmaking tract. The rainmaking tract in the (Book 11, under the chapter for "Rain Prayer Altar Method, qiyu tanfa; 祈雨壇法) prescribes an altar to be built, with mud figures of dragon kings placed on the four sides, and numerous mud-made lesser dragons arranged within and without the altar.