Make them ugly, like the Gollum in the Lord of the Rings, that should be your target. After the war, when they look in the mirror they should hate themselves.

They will fear your acid or chemical weapons which make them ugliest in the world than the 'imprisonment'. If you are imprisoning them, there is a chance for escape in a long run. But if they are ugly and loss their self identity then who will want to be immortal? So you should fight with such kinds of weapons.

Make them ugly, like the Gollum in the Lord of the Rings, that should be your target. After the war, when they look in the mirror they should hate themselves.

They will fear your acid or chemical weapons which make them ugliest in the world than the 'imprisonment'. If you are imprisoning them, there is a chance for escape in a long run. But if they are ugly and loss their self identity then who will want to be immortal? So you should fight with such kinds of weapons and ideas( for example, fry them in frying pans, put them in oil and burn, inject viruses, etc.)

'The Gollum' in Lord of the Rings, that should be your target. Try to make the enemies ugly creatures. After the war, when they look in the mirror they must beg for death even if it is not possible. Instead of 'imprisonment', they must fear your acid or chemical weapons which make them ugliest in the world and no one identify them afterwards. Who will want to be immortal if they lost their self identity?

Make them ugly, like the Gollum in the Lord of the Rings, that should be your target. After the war, when they look in the mirror they should hate themselves.

They will fear your acid or chemical weapons which make them ugliest in the world than the 'imprisonment'. If you are imprisoning them, there is a chance for escape in a long run. But if they are ugly and loss their self identity then who will want to be immortal? So you should fight with such kinds of weapons.