Instead of spamming light attacks (M1), which NPCs parry easily, use two light attacks followed by a heavy attack (M2) to break their guard.
High-rank Arrancars with specific skill tree investments (especially in Segunda Etapa ) can chain abilities that deplete a target's health bar in one fluid sequence. How to Avoid Being "Insta-Killed" Soul War Instant Kill Hollows
If you are a Soul Reaper attempting the rank 5 trial, you must survive in Hueco Mundo for 19 minutes . In this zone, getting ganked by high-level Hollows is an "instant" end to your trial. Instead of spamming light attacks (M1), which NPCs