Black World Tendency
Black World Tendency increases enemy HP, damage, exp, and drop (better upgrade stones).
All Primeval Demons DO NOT require Pure Black world tendency to show up. They appear in levels that are close to Pure Black. May drop Colorless Demon's Soul.
All unique NPC Black Phantoms require Pure Black world tendency to show up.
1-1
The door on the left near the starting point will be unlocked. (Pure Black World Tendency)
Black Phantom Executioner Miralda hiding in the left side of the stairwell. Defeat her to get Guillotine Axe. (Pure Black World Tendency)
2x black phantoms near the Red Eyes Knight
1-2
2x black phantoms before the boss
1-3
2x Black Phantom Fat Ministers on top of the highest point of the castle, you might want to have Anti Magic Field ready for this.
They appears in a short passage after the Red Eyes Knight and 3 crossbow soldiers.
They will magically appear and you will be sandwiched between them.
Slowly move to the one behind you and go around it.
After that, you can shoot arrows at them to take them down.
Just be careful of their fireball, but they will stop and laugh before casting, so you should have a lot of time to get away.
Primeval demon after you past the 2 BP ministers you look down from the castle and you will see it(Pure Black World Tendency)
2-1
Primeval demon located outside at the bottom of the building where enemies were chucking boulders — use the moving platform to get there (you can see the big shiny demon below from stairs at the archstone).
May drop Colorless Demon's Soul when killed.
The wheel to activate the platform is inside the building (the 2 rock throwers are at the upper level), search carefully.
Note: not the area where Blacksmith Ed is located.
Black Phantom Pick Axe Wielder added to the 3 Flame Blade Wielder. If you break the barrels and cart straight ahead from here, it will lead to the outside where you can activate the rotating platform to Blacksmith Ed.
Black Phantom Pick Axe Wielder at the last Wooden Bridge left turn before Boss area.
2 Black Phantom Pick Axe Wielder added to the group of Flame Blade wielder and stone throwers (they are alert to rear approach also). Note: there is a Crystal Gecko in front of them.
2-2
Wanderer Scirvir (Black Phantom)
Drops Talisman of Beast when killed.
You may want to cast Anti-Magic Field to prevent him from casting Fireball.
If you can wield a heavy weapon, knock him off the cliff to kill him instantly.
Don't worry about his loot at the bottom, just Load the game and his loot will be at his original position in the tunnel.
Note: There is a Crystal Gecko in the cave with him.
If you've shown him the Dragon Bone Smasher, he will still appear - (confirmed)
Black Phantom Bearbug (small one) on path uphill from Filthy Man (Vendor), near the crystal gecko spawn location.
Black Phantom Bearbug (small one) at location where there are 3 worms, right in front of the tunnel leading to the lava area.
Black Phantom Bearbug (small one) at lava area, in front of middle passage.
3-1
Black Phantom Mind Flayer outside the door on 1F behind the Legion enemy, towards Ballista
Black Phantom Mind Flayer where the 2 jailer's corridors come together at the exit door and 2 guards patrol
Black Phantom Mind Flayer on the open path between the jailer's corridor exit and the first tower
2F, Black Phantom Rydell standing outside of his cell on the landing. He will still appear whether you have freed him or not.
Drops the unique Phosphorescent Pole if defeated.
3-2
Two Black phantom Face Worms at the swamp (Black World Tendency)
One Black Phantom Face Worm on bridge leading to second chain tower, just past the Crystal Gecko
Primeval demon at the swamp, where the boardwalk leads to a dead end on land. (Pure Black World Tendency)
May drop Colorless Demon's Soul when killed.
4-1
Satsuki (phantom) shows up at the entrance, drops Gripless katana (Pure Black World Tendency)
Black Phantom Silver Skeleton with Swordshows up at the first set of stairs. (Black World Tendency)
Black Phantom Silver Skeleton with Sword opposite the cliff. (Black World Tendency)
Black Phantom Golden Skeleton at location of Adjudictator's Shield. (Black World Tendency)
Black Phantom Golden Skeleton along the edge of the cliff. (Black World Tendency)
Black Phantom Silver Skeleton with Bow along the edge of the cliff. (Black World Tendency)
4-2
Primeval demon within the left staircase (has a breakable wall/archway) near the first reaper. (Pure Black World Tendency). After killing the Dual-Katana wielding skeleton, look for a pathway along the left side of the cliff to walk up. About half way up you should see it, a crystal gecko appears right before it.
May drop Colorless Demon's Soul when killed.
Two Black Phantom Golden Skeletons outside on cliffside after the second reaper.
One Black Phantom Dual Katana Skeleton outside on cliffside after the second reaper.
5-1
Black Phantom normal Goblins added at several points (one dropped an Ephemeral Eye)
5-2
Black Phantom giant goblin at the last island of the first swamp with the first giant goblin (dropped Ephemeral Eyes every time)
Black Phantom giant goblin after the slug nest standing with 2 normal giant goblins
Black Phantom giant goblin before the boss area, sort of near the goblin shaman
Black Phantom Selen Vinland (Pure Black World Tendency), drops Blind.
Primeval demon at the end of the swamp, before going up the path that leads to the chain tower (Pure Black World Tendency)
May drop Colorless Demon's Soul when killed…
From the wiki
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