As Kyran investigates the area the others follow suit. The area is pretty confined so while he checks the murals on the wall, Lucian goes towards the double-doors, close to the black plate armor.

As the suspecting warrior tries to open the double-doors he spins around, blocking the animated armor's first fist attack. The second attack however uses a gap in Lucian's attack.

Spoiler: Animated Armor's attack
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Because you said you are careful I only roll 1 attack of two. However you are unaware the armor is a monster so it gets its surprise round with a single attack:
Attack: (1d20+4)[11]
Damage: (1d6+2)[6]
Initiative: (1d20)[10]

The others please define their space right now.



Spoiler: Combat rules
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You have about 12-24 hours to input your action. If you don't do anything I will use the character as appropriate. If I can avoid using up resources I will. However if a well placed spell does wonders I will not refrain from using up resources.