Ilomba is a sea snake with destructive powers in the mythology of the Lozi people

Lozi people

The Lozi people are an ethnic group primarily of western Zambia, inhabiting the region of Barotseland. Lozi are also found in Namibia , Angola and Botswana.-Name:...

 of Zambia

Zambia

Zambia , officially the Republic of Zambia, is a landlocked country in Southern Africa. The neighbouring countries are the Democratic Republic of the Congo to the north, Tanzania to the north-east, Malawi to the east, Mozambique, Zimbabwe, Botswana and Namibia to the south, and Angola to the west....

. It takes on the identity of the person that owns it, and you get one from the witchdoctor. Usually it is fed with eggs and porridge in the morning. If it is killed, the owner then dies. If the owner dies, it dies. If it is slain, the owner feels the pain. The only way it can be destroyed is through the witchdoctor.