What is the last element in Doodle God?

Answer 1

Not really sure which you would consider last, so I listed them all and there combination.

earth + fire = lava

air + earth = dust

air + fire = energy

energy + air = storm

fire + dust = ash

lava + air = stone

fire + stone = metal

water + stone = sand

energy + metal = electricity

water + air = steam

metal + steam = boiler

fire + sand = glass

water + earth = swamp

fire + water = alcohol

swamp + sand = clay

swamp + energy = life

alcohol + water = vodka

water + life = weeds

swamp + life = bacteria

swamp + weeds = moss

earth + moss = grass

swamp + grass = reed

water + bacteria = plankton

life + sand = seeds

life + ash = ghost

life + stone = egg

egg + earth = dinosaur

dinosaur + fire = dragon

air + egg = bird

swamp + moss = fern

clay + life = golem

golem + life = human

human + fire = corpse

human + human = sex

life + corpse = zombie

zombie + corpse = ghoul

human + energy = wizard

wizard + energy = demigod

seed + earth = tree

human + metal = tools

metal + tools = weapons

weapons + man = hunter

hunter + weapons = warrior

warrior + dragon = hero + blood

blood + human = vampire

fire + clay = bricks

tools + reed = paper

bird + hunter = meat + feather + blood

tree + tool = wood

feather + paper = book

swamp + bacteria = worm + sulfur

tree + fire = ash + ash + coal

coal + boiler = steam-engine

human + alcohol = alcoholic

sand + worm = snake

snake + water = fish

water + coal = oil

plankton + fish = whale

snake + tools = poison

poison + weapon = poisoned weapon

poisoned weapon + human = assassin

wood + tool = wheel

earth + tools = field

field + seeds = wheat

wheat + stone = flour

flour + water = dough

dough + fire = bread

bread + alcohol = beer

sand + egg = turtle

swamp + egg = lizard

wood + wheel = cart

cart + steam engine = locomotive

bird + fire = phoenix

lizard + earth = beast

beast + vampire = werewolf

worm + earth = beetle

fire + grass = tobacco

beetle + sand = scorpion

tobacco + paper = cigarette

wood + water = boat

cart + beast = chariot

hunter + beast = meat + wool + blood

human + clay = ceramics

human + stone = hut

stone + plankton = shell

shell + stone = limestone

limestone + clay = cement

tools + wool = fabric

human + beast = domesticated animal

life + tree = treant

weeds + earth = mushroom

water + cement = concrete

concrete + bricks = house

fish + beast = dolphin

wood + boat = ship

oil + cart = car

car + air = airplane

fabric + human = clothes

air + worm = butterfly

100. storm + bird = thunderbird

glass + house = skyscraper

domestic animal + grass = milk + fertilizer

limestone + fertilizer = saltpeter

saltpeter + sulfur = gunpowder

weapon + gunpowder = firearm

ship + fabric = frigate

ship + steam engine = steamship

Answer 2

There is no definite 'last element'.