Why does atziri have 4 tits?

Phase 1: Arena
She summons each map boss of all non-unique maps ever existed, followed
by Maven.

Phase 2: Hall of Grandmasters
Inhabitants become active upon entry. Final gate (main path) leads to Zana.

Phase 3: Zana's Harvest Paradise
Entire map is a harvest plot. Harvest crops respawn.
Zana has an aura that pops nearby harvest crops.
Zana is a Grandmaster Trickster, Arcane Buffer.
Center pillar is shielded with immunity, player must get Zana's
energy shield to 0 to remove the shield.
Pillar must be fed with harvest juice gained as player keeps harvesting.
Summons Oshabi who converts all harvest monsters and turns them
on Zana. Zana portals out. Oshabi opens portal to next phase.

Phase 4: Shaper's Dungeon
Shaper has been imprisoned by Zana, player must free him.
Dungeon is area level 100 Labyrinth.
Unique bosses take 80% reduced lab trap damage.
First boss room:
has Shaper dialogue: does not want to be freed.
has all properties of all Shaper guardians.
is heavily trapped.
Player battles Shaper, Guardians are summoned at high pace.
Every active Guardian also activates it's room effect.
Second boss room:
has Shaper dialogue: Zana was always the danger and in charge of it
all, freeing Shaper is Zana's plan;
is heavily trapped.
Player battles Shaper and Izaro, The Blessed: 5 full Izaro buffs at
random.
Third boss room:
has Elder dialogue: Zana has calculated every outcome, meaning itself
will end and reset
has all properties of all Elder guardians;
traps are broken.
Player attempts to free Shaper, Elder intervenes.
Player battles Elder, Guardians are summoned at high pace.
Every active Guardian also activates it's room effect.
Player kills Elder, frees Shaper. Shaper disintegrates.
Player portals to hideout.

Phase 5: Atlas
Kirac's Memory Gap
Player must rush to Kirac's reminder in a sequence of 6 maps.
Seventh map reveals Kirac's trauma. Map boss kill opens portal.

Phase 6: The Repelling Abyss
Player witnesses Atziri's punishment, her becoming.
Player defeats lesser Atziri, Zana intervenes.
Zana gives dialogue: Kirac's Memory Gap unaccounted for, but final
piece.
Zana 'elders' Atziri.
Player fights Nightmare Atziri:
Grandmaster Chaosweaver, Mirror Image, Vampiric, Bloodletter.
Player portals to hideout.

Phase 7: Zana's Cortex
Kirac has been watching, traced Zana.
Cortex protected in impenetrable fort.
Kirac gives up.
Player gets quest to contact Adiyah.
Gives Grand Heist - requires all rogues maxed, one wing.
250% Increased amount of magic and rare monsters.
All rares have 4-6 nemesis mods, all magics have 3.
Pinnacle hasted Cortex fight.
Player kills Cortex.
Zana is enraged. Lockdown.
Area gains all ground effects.
Full collapse of area based on timer.
Player rushes out.

Phase 8: End of Patience (player hideout)
Player enters hideout.
If Zana is placed in hideout, teleports to map device.
If not, appears at map device.
Has dialogue: you are the biggest mistake she ever made
Zana destroys player's map device, disappears.
Einhar gains a quest.

Phase 9: The Jungle, Baby!
6 x t16 8mod corrupted map Kirac-Einhar quest chain through
open nature areas
Every map has full migration.
7th map has Alva, Alva gains a quest.

Phase 10: Tabernacle of Atzoatl
Alva opens portals to a temple.
Einhar joins with custom dialogue with Alva.
Area has 500 increased quantity.
Final boss a pushover, and apparently an ancient map device.
Kirac 'repairs' it.
Player enters the single black-grey portal.
Portal remains active.
Player witnesses an event with Zana and her father.
Zana joins to watch.
Dialogue ensues. Zana calms and decides to simply accept
the player's position, and decides to resolve this once
and for all.
Being GGG, Zana has a 12% chance to drop 'Zana's Invitation'.
Zana leaves.
Player uses portal and is free to try again.

Zana's Invitation
Every league, GGG recreates Zana as a boss challenge, following
these steps:
Investigate the strongest builds created by players in the current
league, and pick the nastiest. Pick your favorite Hall of Grandmaster
rogue that would match well and mix this up as a boss.
Zana is supposed to be undefeatable.
Upon killing Zana, she drops the chosen build's gear.
It unlocks a league feat of strength:
'Congratulations, you broke it.'
A portal opens to an area that is the GGG office.
The player gives Chris The Card Sharp.
Chris gives the player 10 fishing coins (maps).
The player unlocks fishing.