[Android] Free - Offline RPG Elixir of Life VIP (Was $2.89) @ Google Play

Not sure how good it is but the reviews are mostly positive.

No ads or IAPs, and no permissions.

🐱‍👤RPG Story: The player must collect essences from the 2 most ancient bosses of the 2 caves, produce the old elixir of life and throw it into the heart of evil in order to destroy the evil that has spread throughout the world!

🔥80+ hours of non-stop gaming experience by blending Sandbox-Rpg-Crafting-Dungeon Crawler-Mining-Farming and more game styles!

🌟 RPG experience: collect countless heroes, plant seeds, feed animals in your stables, enter countless caves and dungeons, loot various bosses and monsters in turn-based combat, meet the residents of the town, give them gifts

Enjoy!