You cant cast it before you zone like you used to. You have to fall in the hole and cast it as soon as you zone in to the hole and before you land.
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Plough E'mundar
Tradeskilling fiend of :
Baking (304)+15% - Brewing (309)+15%
Fletching (305)+15% - Fishing (205)+7%
Pottery (314)+15% - Jewellery (305)+15%
Smithing (313)+15% - Tailoring (312)+15%
Tinkering (300)+15% - Research (313)+15%
(Alt) Alchemy (300)+15% - (Alt) Make Poison (300)+15%