Augmentation for torturous demonspawn.

Melee-wise, this adds a 15% damage bonus per augmentation tier;
spell-wise, it adds an effective 2 HD per tier.

There's a framework here to allow for other monster spell enhancers if
we decide we want to go down that road at some future date.

1 files changed, 3 insertions, 0 deletions

diff --git a/crawl-ref/source/monster.h b/crawl-ref/source/monster.h
index a82229e363..e0b5c1c5a5 100644
--- a/crawl-ref/source/monster.h
+++ b/crawl-ref/source/monster.h
@@ -500,6 +500,9 @@ public:
     // Jumping spiders (jump instead of blink)
     bool is_jumpy() const;
 
+    int  aug_amount() const;
+    int  spell_hd(spell_type spell = SPELL_NO_SPELL) const;
+
 private:
     void init_with(const monster& mons);
     void swap_slots(mon_inv_type a, mon_inv_type b);