Another advantage he had was that he knew what they knew, but they didn't know what he knew. In other words, he was the one ambushing them, not the other way around.
This is why he could set traps to catch them off-guard.
The final advantage he had was that they were operating on what was essentially misinformation in regards to his power level. That was a huge advantage that would do him well at the beginning of the fight.
"Huff…" He exhaled lightly. "I just have to hope that that does me well enough."
Days passed as Rui trained hard, preparing for the dreaded day.
Eventually, it came.
Two weeks had passed since the briefing. And the day of the assassinations had finally arrived.
Master Reina's body had morphed to match his silhouette as she donned the Voidreaper attire, heading off to complete the pre-assassination protocol.