Well:
So:
- Every four years or so, the dwarves have a major battle and roll out an Anvil
- Two gallons of AV will restore that Anvil to its pre-battle state, charge-wise
- We have, thus far, given the dwarves 12 gallons of AV:
Twelve divided by two is six, multiplied by four is twenty-four. What we've given the dwarves will probably last them over twenty more years of battles; if the dwarves get in a major enough conflict that they need more much sooner than that, it seems
very likely that we will hear about it.
Conclusion: We should not feel obligated to give every drop of AV to the dwarves ASAP. Let's figure out its applications (or lack thereof) to Teclisean magic and divine magic before we decide that the dwarves have the best possible use for it.