The irrigate desert around the lone pillar.
Trolls use syllabique language of the from consonant-vowel-consonant. The names being the concatenation with the dash - of the firstname-mothername-familyname.
Capacity to feel the feelings of other living beings. They are nice people but can be quite enraged when protecting a smaller one (which corresponds mostly to everyone else), they often bound to a group and stay with them as a protector. Everyone is called cousin.
Mostly rural life with their family.
Understand each other, yes, but do not forget the small ones