Blood and souls for Makhleb!
Henzell says...
  1. A 4* Fedhas ability that destroys up to 6 wall-like features adjacent to the target point, summoning plant monsters in place. Works on all non-permarock wall (including stone, crystal, and metal), grates, doors, and statues.
  2. Wall-replacing summons are {oklob sapling} (4/14 chance), {burning bush} (4/14), {wandering mushroom} (4/14), {ballistomycete} (1/14), {oklob plant} (1/14).

Information based on master branch and the great LearnDB.
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