Grind at chaos maps, use the stones to upgrade your gears to VI. Occasionally turn on hadum, to get dark coins. Also complete your knowledge by revisiting maps and boss rushes.
After reaching VI, try to buy chaos jewel from market. Silver from selling stuff from madman jack and john is sufficient for you to buy at least 3 in a month. Complete you chaos gear set, to have a full +6 chaos gears.
After you get a full +6 chaos gears, it is time to focus on crafting pink accessories. Get help from a friend or a guild to accompany you inside chaos rift 1 because monsters there have 27+ cp. You will get caphras page and lapiz lazulli in this map for crafting pink accessories. It is possible to craft 1 acc per week.
After you have a full pink accessories, keep grinding at chaos maps, but always turn on hadum to get exp scrolls and chaos chest. You will level up much faster with the scrolls. Also order your worker to craft cron stones so you can have at least 1000 stones a week to craft dimensional crystal. Fully equip your gears with these crystals and your cp will increase to around 25k, where you can grind at chaos rift with ease.
Now try grinding at the nightmare map with hadum mode on to collect root of sorcery. You will get killed a lot by other high cp player, but you will get root there much faster. craft pink totem when you have enough of these. At this cp, it is a good idea to keep grinding at chaos rift to craft pink alchemy stones of your choice, and upgrade your acc.
When you reach 26-28 k cp (depend on characters) it is time to grind in the sulfur mine maps with hadum on and also chaos rift. Try to upgrade your gear to +7 and acc to +5, you will fail a lot, but be patient.
When you get to 29k+ go to chaos rift 2, to increase your acc and gears even further, and also craft chaos acc and stones.
