The Aoba Rabbit's have about 20k HP so yes it will take a low level player a long time to defeat them - they do barely any damage and have no defense or special skills so it's possible to kill them but the time taken isn't worth it. Level up a bit - the Easter events will be available until midnight on 11th April so you have plenty of time to level up a bit before it ends.

The Stone Egg Golems have similar HP and no defense but they have a couple of skills that grant them a damage absorbing and a reflecting shield, so you should be mindful of it's buffs and wait for them to end otherwise damage will be reduced or will reflect your damage back at you. The buffs only last 5s so just wait for them to end.

Events and event quests are usually quite easy to give everyone an opportunity to complete them but you shouldn't expect to be able to do all of them at really low levels. It's not like it takes long to level up here anyway so focus on that a bit first and come back to any events you can't do later

I guess their HP can be reduced when I think about it. No real reason to have it that high. I will reduce it at tonight's server restart

Thanks I appreciate the change Sedy ^^