Like this?
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_LIFEDRAIN)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_MORTAREA)
local area = createCombatArea({
{0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0},
{0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0},
{0, 0, 1, 1, 1, 1, 1, 1, 1...