Genshin Impact – The Lost Child quest guide

The Lost Child is the fourth and final quest in the Aranyaka: Part 1 – Woodland Encounter world quest line in Genshin Impact. It starts automatically once you complete the previous quest which is Into the Woods. After dealing with the Withering Zones and the Spinocrocodiles, your first task is to return to Vimara Village with Rana.
Related: How to find and complete the Steeple of Ignorance domain in Genshin Impact
How to complete The Lost Child.

Once you’ve completed both The Children of Vimara Village and Into the Woods, follow the map marker to Rana and talk to her. Defeat the Emerite Crossbow and Emerite Sunfrost – a Cryo character will come in handy here as the Emerites will be wet – then follow the map marker to the cave where Iotham disappeared. Entering the cave you will be confronted with a Fatui Pyro Agent and a Pyroslinger Armguard. Defeat them with a character (or characters) with strong physical attacks as that is their weakness and don’t waste time with Pyro vs Fatui Pyro agent.
Proceed further into the cave and then drift down into the Withering Zone at the bottom of the cave. Defeat the monsters and clear the Withering Zone as before – by summoning Dendrograna from the Auspicious Branches and then hitting the Withering Branches with aimed or charged attacks.
How to clear the Withering Zone in the cave

This fight is a lot harder than the previous Withering Zones because there are a lot more monsters and you have to defeat them all (Cryo characters again since it’s wet down here) and destroy the Tumor of the Withering before you can kill the Withering Gift succumb ( Keep an eye on the gauge above your health bar. Light the Candle of Life, located a short distance southeast of the Withering Tumor, and use it to cleanse you of the poison. If you are killed, won the game You will not be taken to the cave entrance, which is actually a few hundred meters northwest of the map marker (see map).

After clearing the Withering Zone, use the bouncy mushrooms to get back up, then head to the map marker to trigger another conversation. After that, exit the cave the same way you came and return to Vimara Village with Iotham. Talk to Alphonso then you will be teleported back to the cave where you have to follow the map marker back to Rana except she is not there. Follow the strange tracks east across the cave and then across the river. Find Rana in the little house and try to talk to her. She won’t talk, but you will meet Arana instead. After this conversation, The Lost Child will end and The World of Aranara will start automatically.
https://www.gamepur.com/guides/genshin-impact-the-lost-child-quest-guide Genshin Impact – The Lost Child quest guide