Dyon grinned. On one hand he was appreciating his wife's body, but on the other, he was genuinely happy at her increase in strength. It was only a shame that he couldn't do so as easily for his other wives.
For Clara, one might think using Fire Phoenix blood might be enough, but it wasn't.
Clara's body was a special balance of fire and wind. Even though her third constitution was Eternity's Balance and would greatly help in this regard, raising the completion of Eternity's Balance was far harder than any other constitution Dyon had ever come across.
For example, Dyon's Titan Diamond body crept toward completion as his body strengthened. His Silver Mirror Constitution was a bit harder in that he needed to comprehend the mysteries of defensive laws in order to push it forward, but another large majority of it was tempering his qi, which was still relatively easy.
However, his Eternity's Balance constitution left him at a loss.