An Achievement in which the objective is to recruit, train and promote 7 Assassins up to the rank of 15: Master Assassin.
This Achievement will bag you 20 GamerScore.
This Achievement WILL take a lot of time. Therefore I suggest that you start as early as possible.
1) Recruit at least 6 Assassins.
2) Train Assassins by sending them on high XP missions in Mediterranean Defense (5.000 XP give or take).
3) At level 10, take your Assassin on your first part of the Master Assassin missions.
4) At level 15, take your Assassin on your second (and last) part of the Master Assassin.
- Repeat for 6 Assassins to unlock achievement.
The First Assassin:
Storywise, your first Master Assassin will be a part of the main storyline, so you actually don't need more than 6 Master Assassins after this.
This is the first step of your achievement, and also the easiest. You recruit Assassins by either initiating a DNA sequense, and finishing up the task, or save a citizen from guards (Same as in Brotherhood). Either way, these methods are both marked on the map by a square black/white mark which reads: "RECRUIT ASSASSIN".
You can have a total of 12 traines at the time, and unless they die, they'll stick around. Recruit at least 6 Assassins, and you're ready for step 2.
By far the easiest and safest way to level up your Assassins is by sending them on ASSIGNMENTS. Just like in Brotherhood, there are PIGEON COOPS and MAPS shattered across the city and in points of interests (Such as Dens, HQs and so on). Note that the Pigeon Coops are almost always found near a BOMB CRAFTING station. On this interface you find ASSASSINS, a list of your apprentices and their progress, and MEDITERRANEAN DEFENSE. Chose the last one.
From there, you have a list of cities to send them to, and missions for every city. Choose a mission and select Assassins. I recommand bringing along enough Assassins for the probablility of success to be 100%. When you are in control of a city, there are assignments on the bottom of the list that rewards you around 5.000xp. These are difficult assignments, so make sure you have a lot of good Assassins at hand.
-When an Assassin has reached Lvl10, there's a cap. Your Assassin will no longer Level Up, but will still gain Experience Points. You must assign this Assassin to a Den under your control, and complete the first mission. Upon completion, the cap will be removed, and your Assassin will gain the Levels it has the xp for.
When an Assassin has maxed out Level 14 (with 15500xp), the game will notify you of it by saying that one of your Assassins are ready for aditional training. It's now time to do the last remaining ritual. A "MASTER ASSASSIN" assignment will appear on your map in areas under your control where your soon-to-be Master Assassin is leader. Go to the marker, do the task and CONGRATULATIONS, you have yourself a Master Assassin... now only 5 more to go.
There are 7 Dens in total, so when you're done with this achievement, they can no longer be contested for as long as they are the leaders. This also requires you to take control over all Dens before you can achieve fully trained Assassins.
This one might be a struggle, and if you can't seem to make it, do what I did: Lose on purpose. This will send you back into the sand box. From here, kill the TEMPLAR LEADER and IGNITE the Tower and the Den is now under your control, ready for the purpose of leveling Assassins.
Questions and details will be handled if directed to me in the comment section or in a private message.