Mark of Humility

To complete this quest you need to obtain the [item=175754] from within the First Chamber of Kalliope.
You need to travel to 41.28 37.31 coordinates, there's the blue anima barrier blocks the passage to chest.
Walk close to the mana barrier and use the extra button that should appear [Kneel]

Mark of Humility quest video - https://youtu.be/R_etAx6pTac?t=368

There is a table covered under the spoiler, you can check you progress through The Spear of Kalliope storyline.
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Spoiler

The Spear of Kalliope quest storyline / Sojourner of Bastion

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Order

Quest Title

Video Time Link

x

#1a

How to Become Forsworn

https://youtu.be/R_etAx6pTac?t=7

x

#1b

Unshackled Knowledge

https://youtu.be/R_etAx6pTac?t=7

x

#2

Just Act Natural

https://youtu.be/R_etAx6pTac?t=315

===>

#3a

Mark of Humility

https://youtu.be/R_etAx6pTac?t=368

x

#3b

Mark of Knowledge

https://youtu.be/R_etAx6pTac?t=368

x

#4

You Go First

https://youtu.be/R_etAx6pTac?t=574

x

#5

The Spear of Kalliope

https://youtu.be/R_etAx6pTac?t=730

x

#6

Rightful Resting Place

https://youtu.be/R_etAx6pTac?t=827

Only the penitent man will pass.

Fun fact: by coming here to WoWhead for this, or any, quest, you prove that you are at least somewhat worthy to receive this mark ;~}