Don't message for off-screen serpent shocks (ontoclasm)

Only using see_cell so there is still a message about zapping invisible
creatures.
Make a tree temple slightly more open.

This one was sort of hit hard by opaque trees, making exploring it a bit
cumbersome.
LBl tiles (roctavian)
SBl tiles (roctavian)
M&F tiles (roctavian)
Axe & Staff tiles (roctavian)
Pla tiles (roctavian)
Holy & demon weapons (roctavian & Bloax)
Spell icon stragglers
add message for base stats when prompting for stat gain (1472)