Answer:
Hoofed frolicking.
What has a mouth but can't chew?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
My first is in blood and also in battle. My second is in acorn, oak, and apple. My third and fourth are both the same. In the center of sorrow and twice in refrain. My fifth starts eternity ending here. My last is the first of last, Oh Dear.
What can be measured but not seen?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?