Mix together water, beer, seafood seasoning and salt, potatoes and onion in Cast Iron Kettle Insert. Add the oil garlic, cumin, cilantro, paprika and pepper. Bring to a boil. Reduce heat; simmer, uncovered, for 10 minutes.
Add in corn and chorizo. Simmer 10 minutes, or until potatoes and corn are tender.
Add in shrimp, crab legs.
Stir mixture and put the lid on the Cast Iron Kettle and close Drum lid. Grill until shrimp are fully cooked.
Scoop out mixture with slotted spoon, serve & enjoy.