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{{flavour|A miniature battlement, carved from a piece of shell. Transforms the user into a heavily armoured crab, fusing whatever body armour they are wearing into the shell in the process. In this form, they are slow-moving, but well-defended and even capable of wielding a weapon in their large main claw. They can also breathe clouds of rust at the cost of their own HP, which corrode and weaken enemies.}}

[[File:fortress talisman.png]] A '''fortress talisman''' is a [[talisman]] that changes you into a heavily-armoured crab.

==Useful Info==
When e'''V'''oked, a fortress talisman turns you into Fortress Crab Form, which lasts until you end the form. Entering or exiting a form takes 5 turns.

Fortress Crab Form has the following effects:

'''Offensive traits'''
*'''[[Unarmed Combat]]:''' 8-13 base damage, depending on your Shapeshifting skill.
*You can breath [[clouds]] of rust, which [[corrode]] and [[weak]]en enemies. The cost is <code>12 HP + 12% max HP</code>. The size of the cloud is 9-25 tiles, depending on your Shapeshifing skill. Note that there is no breath timer for this ability.

'''Defensive traits'''
*Body armour base AC increased by 70%-135%, depending on your Shapeshifting skill.
*Corrosion resistance (rCorr)
*Poison vulnerability
*'''Innate AC:''' 3 AC

'''Restrictions'''
*'''[[Transformation#Useful Info|Melded Gear]]:''' Offhand, helmet, gloves, boots, barding, cloak
*'''Suppressed [[mutations]]:''' Anatomy, bones
*You are slow (-30% move speed).
*You can't use a shield, but you can equip any 2 handed weapon your base form can use.

Fortress Crab Form has a minimum [[Shapeshifting]] skill of 12, and the maximum skill is 20.

==Strategy==
Fortress Crab Form has many downsides, making it niche at best:
*The loss of aux slots reduces your effective AC and prevents you from gaining [[ego]]s/[[artefact]] properties from those slots. The loss of a [[shield]] lowers defenses further.
*It has slow movement speed.
*It requires significant investment into Shapeshifting, as well as Armour and other melee skills. In addition, most other talisman forms meld the body armour slot, making this investment spread awkward to go for.

It is seemingly best on a heavy armour character in the mid-game, who hasn't filled many of the aux armour slots yet, and preferably has prior investment in Shapeshifting.

Note that there is no synergy with [[Awaken Armour]]; that spell uses the base AC from the armour type without accounting for the form bonus.

{| class="prettytable" style="border:none; margin:auto; padding:0; text-align: center"
! Fortress Crab Form || Gargoyle
|-
| [[File:Fortress crab form.png]] || [[File:Fortress crab form gargoyle.png]]
|}

==History==
*Fortress talismans were added in [[0.33]].

{{Forms}}

Fortress talisman - Revision history

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