If there wasn't this guide, I would've been hard-stuck 39F.
Tower of Oz Comprehensive Guide
Guide in 'General Guides' published by Sky, Feb 18, 2021.
This is a comprehensive, in-depth guide about the Tower of Oz (aka the SEED in other regions). This guide walks you through the story of Oz, the rewards, the skill rings, and the critical pieces of information that will help you get through to Floor 50!