Fortress Saga: AFK RPG – Understanding Sanctum Guide

Quick Guide to Sanctum

By kaiton.

Sanctum is a meta changer, especially for newbies.

Update: Since Sanctum’s release, ATK has been buffed up to 320 times relative to HP, making HP build obsolete in late game. The below info are from the time of Sanctum’s release.

Tanks and healers give ATK to the whole team in 2 ways:

• For 1 tank/healer hero in the team, that hero gains ATK equal to 2% of that hero’s HP. Best is styria+boomer for passive hp buffs.
• Giving ATK amp. This part is a new multiplier, which is beneficial for full ATK build. For this ATK amp, using 2 tanks/2 healers is better than 1+1.

Formula with Violet as an example:

(Violet’s original ATK x various ATK multipliers including ATK amp from sanctum) + Violet’s original HP x % conversion from sanctum

Note here that the ATK from % HP does not get multiplied by any of the ATK multipliers, including passive ATK buffs.

Note that you don’t get to double dip. If you use a dealer in the team for example, the HP gained from dealer cannot be converted to ATK too.

Example:

Violet and Tilly in the team with lv5 sanctum. When Violet is naked, Violet’s ATK is 7p and HP is 1p. Then I equip hp rune, boosting Violet’s HP to 101p (I.e. gain of 100p of HP). This in turn gives Violet 2% of 100p HP = 2p ATK. Violet’s ATK is thus now 9p.

2% of HP may sound small but it’s actually really big because HP grows a lot faster than ATK when you compute all the various multipliers multiplying each other.

At equal cost end game, Cor’s HP:ATK will be 1600:1, which makes full HP far stronger than full ATK (HP is 6-8x better when comparing best boss teams of each build). Everyone should go full HP. Iris with HP becomes far better than ruin. Note that Iris doesn’t pair well with meph since her buff doesn’t apply to summons.

Boss Team:

• Full HP: Mael, Violet, Ungula, Iris, Styria, Boomer
• Full ATK: Mael, Violet, Meph, Ruin, Luna, Scarecrow

Arena Team:

• Full HP: Malleus, Mael, Meph, Styria, Boomer, Elrond/Scarecrow
• Full ATK: Malleus, Mael, Meph, Luna, Valentine, Scarecrow