> What is ***the cause of the pollution***?\
> I need to know what is the cause of the decline.\ \[Bellisa coughs violently.]
> In search of the cause of pollution of rivers ***Colfort*** I reached the very ***Black Dragon Swamp***.\
> Finally I realized that the cause of all pollution is \_**black waste**\_that rises from the depths ***Black Dragon Swamp***.\
> In search of the source of this waste, I ended up here in the ***sealed area***.\
> But as you can see, there are creepy ***monsters ahead***, and I can't move on because of them.\
> Please, Destroy \_**Pazuzu Knights**\_that stand in my way.
## Stage I
### Cause of infection
> Thank you!\
> Destroy ***Pazuzu Knights***.
Cause of infection
It is necessary to destroy 750 monsters:
[Pazuzu Knight](https://revolgc.pro/r2wiki/2140/monster/)
They reside in Sealed Zone [Black Dragon Swamp Level 5.](https://wiki.revolgc.pro/en/introduction-to-the-game/zemli/kolfort/podzemelya-kolforta/boloto-chernogo-drakona-1-5/zapechatannaya-zona-bolota-chernogo-drakona-5-ur.)
For completing this quest, you will receive the following rewards:
1.  A small amount of experience
> Oh, thank \_.\
> Thanks to you,can start our research.\
> \_ it's not just ***Knights that are hindering*** **.**\
> **In order for me to be able to investigate the source of the black waste, you must destroy \_**1000 personal servants of Meteos\*\*.\
> Got it?
## Stage II
### Cause of infection II
> You are doing a really good deed.\
> Kill ***1000 personal servants of Meteos***.\
> Please!
Cause of infection II
It is necessary to destroy 1000 monsters:
[Meteos' personal maid](https://revolgc.pro/r2wiki/2142/monster/)
They reside in Sealed Zone [Black Dragon Swamp Level 5.](https://wiki.revolgc.pro/en/introduction-to-the-game/zemli/kolfort/podzemelya-kolforta/boloto-chernogo-drakona-1-5/zapechatannaya-zona-bolota-chernogo-drakona-5-ur.)
For completing this quest, you will receive the following rewards:
1.  A small amount of experience
> Thanks to your help, we've been able to make progress in our research.\
> We haven't reached the source yet, but we've found ***the creature causing the pollution***.\
> That's it!\ \[Bellisa looks unwell.]
## Stage III
### Cause of infection III
> I guess I'm spending too much time in an infected environment.\
> I'm not feeling well... (Coughs.)\ I have a request for you.\
> \&#xNAN;***Meteos noblewomen spread the infection*** and ***Meteos swords***.\
> I believe that it is they who amplify the pollution and spread it in the water.\ Must be destroyed them and stop it.\
> Please, go even deeper and ***find the source of pollution there***!\
> And I will have to return to the village for treatment.
> I have a request for you.\
> Destroy ***Meteos noblewomen*** and ***Meteos swords*** and go to the deep.\
> There must be a way to stop this.
Cause of infection III
It is necessary to destroy 750 monsters of each type:
[Meteos Sword](https://revolgc.pro/r2wiki/2144/monster/)\
[Meteos Noblewoman](https://revolgc.pro/r2wiki/2143/monster/)
They reside in Sealed Zone [Black Dragon Swamp Level 5.](https://wiki.revolgc.pro/en/introduction-to-the-game/zemli/kolfort/podzemelya-kolforta/boloto-chernogo-drakona-1-5/zapechatannaya-zona-bolota-chernogo-drakona-5-ur.)
After killing the monsters, find [Magistrate](https://wiki.revolgc.pro/en/introduction-to-the-game/kvesty/vremenno-nedostupno-epik/ostanki-padshego-korolya/less-than-navisshee-proklyatie-greater-than-magistrat), which is located at the end of Black Dragon Swamp Sealed Zone [lvl 2.](https://wiki.revolgc.pro/en/introduction-to-the-game/zemli/kolfort/podzemelya-kolforta/boloto-chernogo-drakona-1-5/zapechatannaya-zona-bolota-chernogo-drakona-5-ur.) and report back to him on the work done.
For completing this quest, you will receive the following rewards:
1.  A small amount of experience
> The world around me seems to have lost all its colors...\
> I need to know what is the reason for the decline.\ \[Bellisa coughs violently.]
