Requirements for Circle 50:

You have enough 4th Survival(Evasion) for Circle 38 and need 46 (190) ranks for Circle 50
You have enough Thanatology for Circle 38 and need 36 (150) ranks for Circle 50
You have enough 3rd Survival(First Aid) for Circle 38 and need 45 (190) ranks for Circle 50
You have enough 8th Survival(Climbing) for Circle 38 and need 34 (140) ranks for Circle 50
You have enough 6th Survival(Stalking) for Circle 39 and need 41 (170) ranks for Circle 50
You have enough 7th Survival(Skinning) for Circle 39 and need 32 (140) ranks for Circle 50
You have enough 5th Survival(Hiding) for Circle 40 and need 38 (170) ranks for Circle 50
You have enough 1st Magic(Power Perceive) for Circle 41 and need 33 (190) ranks for Circle 50
You have enough 2nd Survival(Foraging) for Circle 42 and need 29 (200) ranks for Circle 50
You have enough 2nd Magic(Harness Ability) for Circle 43 and need 28 (170) ranks for Circle 50
You have enough 1st Survival(Perception) for Circle 43 and need 26 (200) ranks for Circle 50
You have enough 4th Magic(Arcana) for Circle 45 and need 14 (120) ranks for Circle 50
You have enough Skinning for Circle 46 and need 12 (120) ranks for Circle 50

You have enough 3rd Magic(Arcane Magic) for Circle 50 and need 2 (143) ranks for Circle 51
You have enough 5th Magic(Targeted Magic) for Circle 56 and need 1 (104) ranks for Circle 57
You have enough Evasion for Circle 58 and need 3 (147) ranks for Circle 59
You have enough Light Edged for Circle 62 and need 1 (116) ranks for Circle 63
You have enough 2nd Lore(Mechanical Lore) for Circle 63 and need 2 (128) ranks for Circle 64
You have enough 1st Lore(Appraisal) for Circle 64 and need 3 (165) ranks for Circle 65
You have enough 1st Armor(Shield Usage) for Circle 67 and need 1 (126) ranks for Circle 68
You have enough First Aid for Circle 71 and need 1 (146) ranks for Circle 72