onds ▁with ▁mon sters . ▁Currently , ▁the ▁planet ▁is ▁facing ▁Drop ▁Imp act s , ▁occurr ences ▁where ▁a ▁large ▁amount ▁of ▁Dro ps ▁are ▁suddenly ▁generated ▁in ▁a ▁single ▁area ▁( and ▁can ▁also ▁spread ), ▁which ▁affect s ▁the ▁lands ▁and ▁makes ▁the ▁Mon sters ▁b ers erk . ▁In ▁fact , ▁one ▁of ▁the ▁main ▁duties ▁of ▁Dragon ▁Call ers ▁is ▁to ▁sett le ▁the ▁Drop ▁Imp act s ▁by ▁stabil izing ▁the ▁Drop ▁distribution . ▁ ▁The ▁plot ▁follows ▁A ce , ▁son ▁of ▁King ▁( a ▁powerful ▁Dragon ▁Call er , ▁who ▁is ▁missing ▁right ▁from ▁the ▁beginning ▁of ▁the ▁series ) ▁and ▁Rena , ▁who ▁asp ires ▁to ▁becomes ▁a ▁Dragon ▁Call er ▁like ▁his ▁father . ▁His ▁journey ▁starts ▁when ▁he ▁starts ▁seeing ▁the ▁Dro ps ▁and ▁finds ▁an ▁egg ▁of ▁a ▁Tam ad ra , ▁an ▁almost ▁ext inct ▁species ▁and ▁he ▁moves ▁to ▁Drag o za , ▁a ▁region ▁formerly ▁belonging ▁to ▁only ▁Drag ono ids , ▁but ▁currently ▁occupied ▁by ▁many ▁Dragon ▁Call ers . ▁As ▁the ▁series ▁proceed s , ▁he ▁makes ▁friends ▁with ▁Char o ▁and ▁T iger , ▁and ▁also ▁many ▁other ▁Dragon ▁Call ers , ▁while ▁impro ving ▁his ▁skills ▁and ▁knowledge . ▁There ▁are ▁also ▁the ▁An ci ents , ▁a ▁mix ▁of ▁Drag ono ids ▁and ▁Hum ans , ▁who ▁are ▁the ▁leaders ▁who ▁look ▁after ▁the ▁six ▁regions ▁of ▁Drag o za . ▁There ▁is ▁also ▁L ance , ▁a ▁Drag ono id ▁and ▁a