Currently I am using this script:
local condition = {}
for i = 1, 4 do
table.insert(condition, createConditionObject(CONDITION_FIRE))
addDamageCondition(condition[i], 1, 0, -(i == 1 and 20 or i==2 and 2 or i == 3 and 10 or i == 4 and 1))
addDamageCondition(condition[i]...