* Creating new objects is cheap, in fact comparable to the cost of getting it out of the pool, so it doesn't help there.
* Placing items in the pool is far more expensive than letting them garbage collect due to the resetting of vars and such.
The wizard den is no longer pitch black.
Fixes targeted spells using the wrong caster/source.
Adds some missing checks using the caster source above.
Re-logging should no longer cause a loss of spell UI icons.
Mind transfer should no longer cause unintended spell loss.
