I don't expect any special effects from the Divine Tree; simply having it as a source of wooden Divine Materials is enough.
"Lord Muria, since you find my type of avatar useful, I formally invite you to join the ranks of the Mother of All Things. What do you say? In that case, you can have as many avatars like me as you want."
"Thank you for the kind offer, but I've never been accustomed to bending my knee to others my entire life. And your terms of invitation lack sincerity, to say the least."
As many Divine Trees as I want? Such nonsense—you could possibly say that, but eternity might have the qualifications to do so, yet other beings certainly do not.
"It seems both you and your descendants have refused. What a pity. However, there's something you should know: deities are not immortal and untouchable; they can also fall due to a variety of unforeseen accidents."