Skandapurana 1.3.27.62

1.3.27.62

tārakasya vadhārthāya utpanno'si śivātmaja..
tasmāttvayaiva karttavya nidhanaṃ tārakasya ca.. 29.62 ..

You were born for the sake of slaying Tāraka, O son of Śiva; / therefore the destruction of Tāraka must be accomplished by you alone.”