Wiktionary
unconsuming
a. That does not consume.
Usage examples of "unconsuming".
When the seasons went on and there was no lightning or fire, they said the oracle meant that the sun shining on the gold and copper roof-gutters was the unconsuming fire, and that if there was an earthquake the house would stand.
A flame burst from the sticks, unsustained by them, unconsuming: his own power given freely.