The term DEADLY SERPENT can be broken down into two crossword solutions: ASP and KRAIT. ASP is a venomous snake found in the Mediterranean region, Africa, and Asia. It is known for its potent neurotoxic venom which can cause paralysis and death. Krait is a species of venomous snake found in South and Southeast Asia. It is considered one of the most dangerous snakes in the region due to its highly potent venom which can cause respiratory failure and death.