1 Chronicles 10:13

And so Saul died for his trespass that he trespassed against the LORD, in that he kept not the word of the LORD, and in that he asked counsel of a woman that wrought with a spirit,

Leviticus 19:31

Turn not to them that work with spirits, neither regard them that observe dismal days, that ye be not defiled by them: for I am the LORD your God.

Leviticus 20:6

"'If any soul turn him to enchanters or expounders of tokens and go a whoring after them, I will put my face upon that soul and will destroy him from among his people.

1 Samuel 15:23

For rebelliousness is as the sin of witchcraft; and stubbornness is wickedness and idolatry. Because therefore thou hast cast away the word of the LORD, therefore hath the LORD cast away thee also, from being king."

Deuteronomy 18:10-14

Let there not be found among you that maketh his son or his daughter go through fire, either a bruterer or a maker of dismal days, or that useth witchcraft, or a sorcerer,

Isaiah 8:19

And therefore if they say unto you, "Ask counsel at the soothsayers, witches, charmers and conjurers," then make them this answer: "Is there a people anywhere, that asketh not counsel at his God? Should they run unto the dead for the living?"

Exodus 22:18

"Thou shalt not suffer a witch to live.

1 Samuel 13:13-14

Then said Samuel to Saul, "Thou hast done foolishly and hast not kept the commandment of the LORD thy God which he commanded thee. For at this time would the LORD have established thy kingdom upon Israel forever.

1 Samuel 15:2

Thus sayeth the LORD of Hosts: 'I have called to remembrance that which Amalek did to Israel; how they lay in wait for them in the way, as they came out of Egypt.

1 Samuel 28:7-20

Then said Saul unto his servants, "Seek me a woman that is mistress of a spirit of prophecy; that I may go to her and ask of her." And his servants said to him, "See, there is a woman that hath a spirit of Prophecy in her possession at Endor."

2 Kings 21:6

And he offered his son in fire, and observed dismal days; and used witchcraft and maintained workers with spirits, and tellers of fortunes - and wrought much wickedness in the sight of the LORD to anger him.

Acts 8:9-11

And there was a certain man called Simon, which beforetime in the same city, used witchcraft and bewitched the people of Samaria, saying that he was a man that could do great things.

Acts 16:16-18

And it fortuned as we went to prayer, a certain damsel possessed with a spirit that prophesied met us, which brought her master and masters much vantage with prophesying.

Treasury of Scripture Knowledge

Summary

So Saul died for his transgression which he committed against the LORD, even against the word of the LORD, which he kept not, and also for asking counsel of one that had a familiar spirit, to inquire of it;

For asking

General references

Bible References

Even against

1 Samuel 13:13
Then said Samuel to Saul, "Thou hast done foolishly and hast not kept the commandment of the LORD thy God which he commanded thee. For at this time would the LORD have established thy kingdom upon Israel forever.
1 Samuel 15:2
Thus sayeth the LORD of Hosts: 'I have called to remembrance that which Amalek did to Israel; how they lay in wait for them in the way, as they came out of Egypt.

For asking

1 Samuel 28:7
Then said Saul unto his servants, "Seek me a woman that is mistress of a spirit of prophecy; that I may go to her and ask of her." And his servants said to him, "See, there is a woman that hath a spirit of Prophecy in her possession at Endor."

A familiar

Exodus 22:18
"Thou shalt not suffer a witch to live.
Leviticus 19:31
Turn not to them that work with spirits, neither regard them that observe dismal days, that ye be not defiled by them: for I am the LORD your God.
Leviticus 20:6
"'If any soul turn him to enchanters or expounders of tokens and go a whoring after them, I will put my face upon that soul and will destroy him from among his people.
Deuteronomy 18:10
Let there not be found among you that maketh his son or his daughter go through fire, either a bruterer or a maker of dismal days, or that useth witchcraft, or a sorcerer,
2 Kings 21:6
And he offered his son in fire, and observed dismal days; and used witchcraft and maintained workers with spirits, and tellers of fortunes - and wrought much wickedness in the sight of the LORD to anger him.
Isaiah 8:19
And therefore if they say unto you, "Ask counsel at the soothsayers, witches, charmers and conjurers," then make them this answer: "Is there a people anywhere, that asketh not counsel at his God? Should they run unto the dead for the living?"
Acts 8:9
And there was a certain man called Simon, which beforetime in the same city, used witchcraft and bewitched the people of Samaria, saying that he was a man that could do great things.
Acts 16:16
And it fortuned as we went to prayer, a certain damsel possessed with a spirit that prophesied met us, which brought her master and masters much vantage with prophesying.

General references

Leviticus 19:31
Turn not to them that work with spirits, neither regard them that observe dismal days, that ye be not defiled by them: for I am the LORD your God.