Mechanical blade - worth it?

[Zechnophobe]

Not sure exactly, but I would suspect not. I don't think 5 additional attack is better than having 11% more troops. Moreover, that weapon slot is generally giving you something like 3 to 5 attack already, so it is often the comparison of 2ish attack and 3 defense vs 11% more troops. I had the sword of equilibrium when I found it (+5 atk) Class three elemental axe (5 ATK, 10% crit) and inquisitor blade (already mentioned) so it really didn't make sense to take the huge hit to troop size.