[Guide] Priest Boss Series - Death City Entrance

P.S. The character used in this guide is a Lv. 44 Full Supportive Priest. Here's the Build.

1. Use Lightning Relic Attack until the Boss's HP drops to the second / last bar.
2. Cast Relic in front of the Boss to gain aggressiveness.
3. Meanwhile, stay at the back of the Boss.
4. Try to cast Relics directly on the Boss to inflict Stun.
5. Relics are all real objects, they can be deployed to stop the Boss from rolling.
6. Attack freely when the HP drops to the last bar.