Comparison between growing creatures associated with two elements (upgraded):
Werewolf:
Dmg per turn per quantum upon becoming at least 6/*: 1.2
Dmg/turn/quantum after 10 turns: 1.8
D/T/Q after 20 turns: 1.9
Elite Graboid:
Dmg/turn/Q@6+/*: 1.5
D/T/Q@10T: 2.3
D/T/Q@20T: 2.4
Forest Spectre:
D/T/Q@6+/*: 0.8
D/T/Q@10T: 0.9
D/T/Q@20T: 0.95
Lava Destroyer:
D/T/Q@6+/*: 1.3
D/T/Q@10T: 1.1
D/T/Q@20T: 1.1
Steam Machine:
D/T/Q@5/* (modified because 9 is too far from 6): 0.4
D/T/Q@10T: 0.8
D/T/Q@20T: 0.9
Conclusion:
There is no problem with the damage output of Werewolf in relation to quanta investment.
Werewolf is, offensively, the second most powerful of all growing creatures.
E. Graboid is first, possessing high DTQ at the cost of being very fragile.
The grow-by-turn creatures have low DTQ but get the benefit of growing HP (or, in the case of Steam Machine, begin with a very high HP).
Lava Golem has a higher DTQ than other grow-by-turn creature, but at the cost of having a high initial cost and beginning with only 1 HP.