Brief bug summary: While Nine-Tailed Fury buff is active (possibly due to its on-cooldown effect), attacking target(s) is likely to cause disconnection. Demonstration in the following video.
Character name: Monk
Character level: 275
Character job: Kanna
World name: Bellocan
Date and time of the incident: June 13 at 1:15 pm PDT
Brief bug summary: While Haku Reborn is active, Haku's Blessing does not transfer any Magic Attack from Haku's equipped Fan. As evident in video below, damage range does not change between two Haku's Blessings of different Magic Attack values.
Character name: Monk
Character level: 275
Character job: Kanna
World name: Bellocan
Date and time of the incident: June 13 at 12:30 pm PDT