To get the Ladybug mount in Lost Ark, you will need to have the Ark of the Ladybug quest. This quest can be obtained by talking to the Ancient Statue in the Ark. The quest will require you to collect 10 Ladybug Mounts. You can find these mounts by killing Ladybugs in the wild. Once you have collected all 10 mounts, return to the Ancient Statue to complete the quest and receive your reward.