Gaia shared a little detail of her reasoning. She was the core-type entity, and Lifa was the seed plant-type entity. She didn't know Lifa's causes, but she was the delicious prey for many entities.
Thus, her true body had to remain in the safest place. Her submission by leaving her true body under Elysia's care was already a big move to show her loyalty and trust.
"Nah, you're afraid of facing our wrath because of the previous friendly fire. We almost died in that rainbow ocean, you know." Elena rolled her eyes and poked Gaia's bracelet.
"Ugh..." That was half true, but Gaia was too embarrassed to admit it. She initially wanted to make Elysia's family wait until she was close to death before they could recruit her, but the situation had changed dramatically.
Ba careful because the desperate ones will do desperate things