Masters / Items / Curved bone Monster Table Qty Rate Chance per avg task Assigned by Aquanite Tertiary 1 1/5,013 0.993% Nieve 40–60 Duradel 30–50 Mortimer 40–60 Cave horror Tertiary 1 1/5,013 1.98% Chaeldar 70–130 Nieve 120–180 Duradel 130–200 Mortimer 80–120 Dark beast Tertiary 1 1/5,013 0.993% Konar 10–15 Nieve 10–20 Duradel 10–20 Mortimer 40–60 Fire giant Tertiary 1 1/5,013 3.24% Krystilia 75–125 Vannaka 40–90 Chaeldar 70–130 Konar 120–170 Nieve 120–185 Duradel 130–200 Hill Giant Tertiary 1 1/5,013 1.29% Krystilia 75–125 Mazchna 30–50 Vannaka 40–90 Ice giant Tertiary 1 1/5,013 1.09% Krystilia 100–150 Vannaka 30–80 Juvenile custodian stalker Tertiary 1 1/5,013 1.98% Chaeldar 70–130 Nieve 110–170 Mortimer 80–120 Lizard Tertiary 1 1/5,013 0.795% Turael 15–30 Spria 15–30 Mazchna 30–50 Mammoth Tertiary 1 1/5,013 1.98% Krystilia 75–125 Mogre Tertiary 1 1/5,013 1.29% Mazchna 30–50 Vannaka 40–90 Moss giant Tertiary 1 1/5,013 1.29% Krystilia 100–150 Vannaka 40–90 Mountain troll Tertiary 1 1/5,013 3.24% Vannaka 40–90 Chaeldar 70–130 Konar 120–170 Nieve 120–185 Duradel 130–200 Ogre Tertiary 1 1/5,013 1.29% Vannaka 40–90 Sourhog Tertiary 1 1/5,013 0.398% Spria 15–25 Suqah Tertiary 1 1/5,013 1.49% Nieve 120–185 Duradel 60–90 Terror dog Level 110
Tertiary 1 1/5,013 0.656% Vannaka 20–45
Rates from the OSRS Wiki drop tables (Drop Rate Project). "Chance per avg task" uses the midpoint task size of
the highest master that assigns the monster.
