ToME: the Tales of Maj'Eyal

Error on mouseover on description of dark portal:

Lua Error: /data/talents/corruptions/vim.lua:132: bad argument #2 to 'format' (number expected, got no value)
At [C]:-1
At [C]:-1 format
At /data/talents/corruptions/vim.lua:132 info
At /engine/interface/ActorTalents.lua:78 info
At /mod/class/Actor.lua:1630 getTalentFullDescription
At /mod/dialogs/LevelupTalentsDialog.lua:251 onDrawItem
At /mod/dialogs/LevelupTalentsDialog.lua:271 select
At /mod/dialogs/LevelupTalentsDialog.lua:56 select
At /engine/ui/TreeList.lua:289 onSelect
At /engine/ui/TreeList.lua:208 fct
At /engine/Mouse.lua:51 receiveMouseMotion
At /engine/Mouse.lua:65 delegate
At /engine/ui/Dialog.lua:313 mouseEvent
At /engine/ui/Dialog.lua:168 fct
At /engine/Mouse.lua:51

fixed