Assuming you mean the 1000 Sunlight Coin x1 Coupons from the day 4 Iden exploration reward, yes, I too am getting the message "Cannot be used. The event period has ended." in the chat box when I click on them.
Unfortunately, ever since the new familiar system killed the old Creature Codex, we cannot see a list of monster drops anymore. However, according to Hidden Street's database, Skull Shield used to drop from Cellion and Hector, in the before time.
Here's a few more inconsistent names for your list. The Winter Bard story in Grand Athenaeum has some Tower of Oz monsters with variant names.
* Ice Valley has Blue Volcano Bugs named "Volcano Bug".
* Ice Valley III has Ancient Beetles named "Gi…
It's been reported before. Killing the goons one at a time should let you proceed.
See http://forums.maplestory.nexon.net/discussion/19154/quest-korean-folk-town-quest-bug
Had the same issue today with my Demon Avenger slicing all the thugs through with Lunar Slash. But @PirateIzzy's workaround let me continue. Thanks, Izzy!
My Demon Avenger Batperson experienced the same bug today after cutting down the four thugs at once with Lunar Slash. Qing Oarsman never said his dialog line about releasing the tiger, Heroic Hogul did not appear, and Batperson was stuck there immo…
I found a workaround if your level is not over 160:
My level 140 character left Commerci without doing Berry's first coastal cat hunting quest, and the Dimensional Mirror refused to let them select "Theme Dungeon: Commerci Republic" because they ha…
Aw, damn. Looks like we've got yet another event where I log in, open boxes from days before till I hit the daily coin limit, then log out saving my remaining boxes for tomorrow. I hate that. Feels like doing chores.
That clickable gold sack seems to become enabled after doing all the land of fighting's quests except the God of Warriors one. But once you break the vault's wall, apparently that gold sack never works again. Sorry, it looks like you're going to be…