In a saucepan or pot, add some water to the soup base, season to taste, then add crabs, croaker fish fillets, and chopped basil. Cook on medium heat.
Divide okra into portions (roughly blend one portion and slice the other portion into rings).
Remove the crabs and fish from the boiling broth and set aside.
Add ground crayfish to the broth, then stir in the roughly blended okra. Cook lightly.
Add the sliced okra rings, mix, and bring to a gentle simmer.
Add the shrimp, then return the cooked crab and fish to the pot.
Adjust seasoning, turn off the heat, and move the pot away from the burner to avoid overcooking.
Serve hot with your favorite swallow, or enjoy it just the way it is!