Prioritize upgrading your Mining level and obtaining high-tier Pets (like the Giant Panda), as these provide permanent stat boosts that don't rely on temporary "glitches."
If you want to speed up your progress without risking your phone or your account, focus on these official mechanics: Blade Idle Hack
While tedious, consistently running the Ad-buffs for Gold, EXP, and Atk provides a massive multiplicative boost to your farming efficiency. consistently running the Ad-buffs for Gold