Do I need to download an app to watch [ENG DUB] Forewarned by Heaven, I Cleanse My Sect?

No. It plays in any mobile or desktop browser. The VIP pass is bought through Telegram, but watching itself needs nothing installed.

Watch [ENG DUB] Forewarned by Heaven, I Cleanse My Sect Free Online — All 47 Episodes

Where can I watch [ENG DUB] Forewarned by Heaven, I Cleanse My Sect online for free?: The first 5 episodes are free on dramatap and play straight in your browser — no app download and no account needed. The remaining 42 episodes unlock with a VIP pass.
How many episodes does [ENG DUB] Forewarned by Heaven, I Cleanse My Sect have?: 47 episodes in total.
Do I need to download an app to watch [ENG DUB] Forewarned by Heaven, I Cleanse My Sect?: No. It plays in any mobile or desktop browser. The VIP pass is bought through Telegram, but watching itself needs nothing installed.