I figure, we might as well CONSTRUCT ADDITIONAL NUCLEAR PYLO- uhh, make an alchemy path for the Wrench Wand.

BASIC LINE (2* Wrench Wand --> 3* Wracking Wrench Wand --> 4* Wreinforced Wrench Wand --> 5* Wridiculous Wrench Wand)
Yeah, plenty of added alliterative appeal here. The basic Normal Damage line, high Damage vs. Constructs. As it levels up, the crystal gets bigger and the wrench becomes shiny chrome. The charge attack changes too, to a large projectile that starts at the Wand and, when it hits a target, explodes. The 4* and 5* version get three exploding projectiles.

SCORCH LINE (2* Wrench Wand --> 3* Scorch Wand --> 4* Torch Wand --> 5* Conflagrator)
Normal damage and Fire, or Elemental damage and Fire? Take your pick. The Scorch wand has a red crystal and, at higher star levels, a flaming aura; the wrench itself is blackened, with the last one having fire spewing out of cracks in it, much like the Sudaruska. The charge attack of the Scorch Wand is a small wave of Fire, like the Scorchers' but only three spaces wide. The later versions get more range to their fire wave, adding two spaces' worth of fire each upgrade. The Scorch Wand line, however, only has Damage vs. Construct: Medium by the end.

BIOBLAZE LINE (2* Wrench Wand --> 3* Scorch Wand --> 4* Biotorch --> 5* Bioblaze)
Based on Herex's Toxoils, the Biotorch and Bioblaze have green thorns growing on them, split red and green crystals, and more spikes; the damage is Piercing and Normal, or Piercing and Elemental, and the damage is comparatively low. However, with both the basic attack and the charge attack (which is the same as the Torch Wand and Conflagrator, except with greener fire), Poison AND Fire can be caused! Still has a little Damage vs. Construct: Low by the end.

Comments? Suggestions? Scathing rebukes?