I have cut all limbs to core, will the plant die?
Certified GKH Gardening Expert
These cycads will not tolerate being pruned very heavily. It is likely that they might die if there are no leaves to provide energy to the plant.
Here is an article for more information on their care: https://www.gardeningknowhow.com/ornamental/trees/sago-palm/how-to-care-for-sago-palms.htm