The matter concerns the public aspect of the community, the grand zone, or even the entire server's hidden aspects.

Thus—

Grand Zone 8, full server announcement: "Ding~ Congratulations to player *** for obtaining the orange skill book [Sword Shadow Storm], completing the achievement [Strongest Skill], and receiving rewards: Human Reputation 1200, Gold Coins 10!"

Opening the backpack, sure enough, there was an orange skill book lying quietly inside—