Below 120 theres no reason to grind. just quest up the way get the card i myself did quest line from both side and by the time i reach gateway of the king i was already level 90. ( also do map exploration for extra cards )
Gonna put here the main points on quest leveling (the ones i remember right now):
- Keep your level at 10 levels minimal range from the area you are questing.
- Always explore the whole map, getting 100% explored map will render extra EXP card on Wings of Vibora NPC.
- When you have 3 different Lv. of EXP cards, burn the lowest level ones.
- When doing quests on open world dungeons (ex.: Royal Mausoleum have 5 floors, if you die in any of them you will resurrect at the entrance outside in Zachariel Crossroads) keep at least one side quest (light blue or grey, not sure that color) completed and one that allow you to warp back to the hand in, that way you can have a instant teleport to the map you died with a single click and load screen instead of run all the way back and no wasting CS items.
- If you are in group, most quests complete for all members as long as they are close, that will speed up your questing and consequently your leveling.
I haven’t done any missions nor dungeons until I got to level 120. So I think there is nothing to worry about there, lol.