1 Corinthians 10:16 defines the cup and bread as communion with Christ, providing the basis for Paul's claim in 10:21 that the Lord's cup and demon's cup cannot mix.

1 Cor 10:17 speaks of unity through one bread—contrasts with the division caused by joining demonic tables.

1 Cor 10:14 gives the command 'flee idolatry'—the direct application behind the warning in 10:21.

1 Corinthians 8:10 warns against eating in an idol's temple for the weak brother's sake; here Paul deepens that by revealing such feasts are fellowship with demons.

1 Cor 11:27 warns against unworthy partaking of the cup—expands on the seriousness of the Lord's table.

Deuteronomy 32:38 describes drinking the wine of pagan drink offerings and eating their sacrifices, directly matching Paul's 'cup of demons' and 'table of demons'.

In 2 Corinthians 6:15-17, Paul himself reinforces the call to separate from idolatry, using similar contrasts.

Matthew 6:24 states you cannot serve two masters, exactly paralleling Paul's point about two tables.

1 Kings 18:21 presents the same dilemma — choosing between God and Baal — reinforcing the impossibility of serving both.

Malachi 1:7 mentions 'table of the Lord' being despised—Paul directly echoes this phrase to contrast proper worship.

In Isaiah 65:11, those who prepare a table for idols and offer drink to gods are exactly the kind of idolatry Paul compares to communion with demons.

In Psalm 116:13, the cup of salvation is the OT antecedent to the Lord's cup Paul mentions, symbolizing thanksgiving and covenant.

In 2 Chronicles 11:15, Jeroboam ordains priests for devils, directly illustrating the idolatry Paul warns against at the table of demons.

2 Cor 6:14 asks what fellowship light has with darkness—parallels the incompatible partnership with demons.

Exodus 34:15 warns against eating pagan sacrifices when invited, directly addressing the issue Paul deals with in Corinth.

Revelation 9:20 shows people refusing to repent of worshiping demons and idols—the very outcome Paul warns against by mixing the table of demons.

Revelation 21:8 lists idolaters among those consigned to the lake of fire—the ultimate judgment for partaking of the table of demons.

Amos 2:8 shows idolatrous drinking at altars—parallels the 'table of demons' Paul warns against.

Ephesians 5:11 commands not to participate in dark works—similar prohibition to partaking of demons' table.