ISON, Nibiru, Planet X, Wormwood, Omen, SETi etc are all
encoded language of One returning entity.

Yggdrasil Norse cosmic tree/Saena Persian cosmic tree/Jianmu Chinese Cosmic tree/Biblical Tree of Life/Wacah Chan Mayan Cosmic Tree

All the trees contain an entity capable of traveling between 'the heavens' and the 'earth'. The roots are here below, the branches are above. In the branches is an eagle, phoenix, or other bird. At Its Roots are serpents or worms continually knawing at the majestic tree's roots just for fun. The Tree puts forth a Dew that nourishes all who take it. The Bird destroys those who take from the tree's abundance what it doesn't need itself to sustain life.

The Bird is known in the legends as 'as soul reaper', or 'swallower of souls & corpses'. It and the Serpents are at war with each other continually (because of the entity within the tree running to and fro telling what each other has done or is doing or is going to do).

However in all three cultural writings, the tree is eternal.
The Tree continually dies, and is continually renewed, while world's end, god's are slain, populations decimated, the tree continues through all the ages bringing forth new life. Although the tree tremors and shakes throughout the tumult, it stands through the ages while countless World's are shattered around it.

The Key to bringing these allegories full circle is this:
The Serpents intentionally try to destroy the ROOTS OF THE SOURCE OF ALL ABUNDANCE, and the "Bird" is the Tree's personal Sustainer and protector. So long as the 'serpents' abound near the tree, death and carnage abound.