Hope u like this one:
Cocoon
Description: an egg-like thing, covered in some sort of acid. The whole thing slowly pulsates, and from close, a pair of glowing red eyes can be seen
Upgrade: after age 4
Pit Worm:
Description: as the cocoon hatched, a small black worm borned. It's very vulnerable now, but small scales are appearing on its black skin. The creature constantly sweats some sort of black acid, not enough to destroy, but enough to weaken the enemy
Abilities: Weaken, Targets: Random
Stats: attack 35, defence 0, initiative 2, Vitality 200
Upgrade: after age 14
Pit Worm II
Description: the once small worm is getting bigger and bigger. It's scales are getting tougher, small spikes started to grow from it. In the end of the tail, some sort of a bony spike starts to appear. From the pores of the body, a sticky creep flows, keeping its track visible.
Abilities: Weaken, Targets: Random
Stats: attack 65, defence 4, initiative 2, Vitality 600
Spec Ability: decrease enemy initiative by 1 (due to the sticky creep)
Upgrade: after 30 age
Pit Worm III
Description: On the Pit Worm's head, now a new pair of red eyes stares at the world, looking for new victims. In the beginning of it's body, a bust is forming, the whole creature is now covered with a carapace. The spike on it's tail slowly distills a deadly acid.
Abilities: Weaken, Damage Targets: Weak, Strong, Dying, Random
Stats: attack 90, defence 10, initiative 3, Vitality 1200
Spec Ability: decrease enemy initiative by 3
Upgrade after age 90
Abyss Wyrm
Description: a manifested nightmare, the Abyss wyrm emanates darkness from his body. The head is now covered with a dozen of eyes, burning in vile red. Now it has two long arms, ended in bone-scythes still oozy of blood.
Abilities: Poison Damage Targets: Weak, Strong, Dying
Stats: attack 150, defence 20, initiative 3, regenerate 5 Vitality 2000
Spec Ability: decrease enemy initiative by 6
Upgrade after age 150
(Poison Damage: enemy takes Damage from simple attack, then takes 1/3 damage next round)
(It cannot use regenerate in combat, but if dies regenerates 5% of vitality after battle)
Abyss Wyrm II
Description: now the Wyrm has four arms with deadly scythes. It conquers the skies with it's new wings, making it even more capable of killing. Now the darkness around it is so dense, that no one know where starts the creature, and where begins the Darkness
Abilities: Poison Damage Target: Weak, Strong
Stats: attack 210, Defence 25, initiative 5, regenerate 5 Vitality 2000
Spec Ability: decrease enemy initiative by 8
Upgrade after age 210
Death Wyrm
Description: The Abyss Wyrm served its master, but now it's time is gone. It died, but the power of Darkness reanimated it, to serve it's master forever. Now the darkness around this skeletal Wyrm is chilling like the outer Void. No one can face this creature without fearing it...
Abilities: Poison Damage Target: Weak, Strong
Stats: attack 240, Defence 30, Initiative 5, regenerate 5 Vitality 2000
Spec Ability: decrease enemy initiative by 10
I think i'll draw it too, even if it will not appear in the game...