killing not encouraged in buddhism, yes. so? ghosts not
so buddhist what.
from buddhist dictionary, #5 (non-ghosts?) :-
"五種通 Five kinds of supernatural power: (1) 道通 of
bodhisattvas through their insight into truth; (2) 神通 of arhats
through their mental concentration; (3) 依通 supernatural or magical
powers dependent on drugs, charms, incantations, etc.; (4) 報通 or 業通
reward or karma powers of transformation possessed by devas, nāgas,
etc.; (5) 妖通 magical
power of goblins, satyrs, etc."
五神通 (or 五神變)
pañcabhijñā; also 五通 (力) the five supernatural powers. (1 ) 天眼通
(天眼智證通) divyacakṣus ; deva-vision, instantaneous view of anything
anywhere in the form-realm. (2) 天耳通 (天耳智證通) divyaśrotra, ability to
hear any sound anywhere. (3) 他心通 (他心智證通) paracitta-jñāna, ability
to know the thoughts of all other minds. (4) 宿命通 (宿命智證通)
pūrvanivāsānusmṛti-jñāna, knowledge of all formed existences of
self and others. (5) 神通 (神通智證通) 通; 神足通; 神如意通 ṛddhi-sākṣātkriyā,
power to be anywhere or do anything at will. See 智度論 5. Powers
similar to these are also attainable by meditation, incantations,
and drugs, hence heterodox teachers also may possess
them.
note: they are not ghosts (typically) and spiritual powers
may varies.
/\
Insightful. Is it ok if you elaborate a little on each of
it?