Speak with
Histirit

Take
Emopin from altar and use portal up from altar

Go up and search for

You have to collect 3 emotions from them
First emotion: Do no or little damage put on

and use

to get first emotion. It won't always succeed, try untill You get it.
Second emotion: Do about %50 damage put on

and use

to get second emotion. It won't always succeed, try untill You get it.
Third emotion: Do a lot of damage, when

is near death, put on

and use

to get third emotion. It won't always succeed, try untill You get it.
Come back and enter the portal

Speak with
Histirit and kill him

Speak with
Histirit to finish the quest
Get

save it for later quest!