“Kaṅkṣā-mohaniya karma is sarva se sarva krut” — this sounds confusing only because of the depth of what mohaniya-karma does.

Let’s break it in simple Jain terms:

1. What is kaṅkṣā-mohaniya?

In context, kaṅkṣā means icchhā / longing / desire / expectation kind of mental state that arises due to mohaniya karma (deluding karma).

Mohanīya karma:

• creates mithyātva (wrong belief)
• and kaṣāyas (anger, pride, deceit, greed)
• and all kinds of rāga–dveṣa (attachment–aversion)

So, kaṅkṣā is one form of inner disturbance / wanting, produced by this mohaniya karma.

2. Why is it called “sarva se sarva krut”?

Because according to Jain karma-philosophy:

• Mohaniya karma is the root for the bondage of all other karmas.
• Without mohaniya, other karmas cannot firmly bind or cannot produce their full effect.
• Every kaṣāya (anger, pride, deceit, greed), every desire, every expectation (kaṅkṣā) arises only when mohaniya is active.
• Therefore, from the vyavahār (practical) point of view, all sinful activities (pāpa) and all karmic bondages (bandha) are “caused” by this delusion.

So “sarva se sarva krut” means:

> All other karmas, all wrong actions, all bondages > are, in the end, caused (made possible) by mohaniya.

In very simple language:

> “Jo bhi bura karm bandhtā hai, uske pīchhe mohaniya hai. > Isliye use sab ka kāraṇ – sarva se sarva krut – kahā gayā hai.”

3. How is this possible technically?

From standard Jain doctrine (both Śvetāmbara and Digambara accept this principle):

1. Mohaniya is the chief karma (pradhān karma) among the ghāti-karmas.
2. If mohaniya is destroyed, then:

- No new ghāti karma bondage with kaṣāya can occur. - A soul can never fall again into mithyātva or bad conduct.

1. All violence, lies, stealing, sensuality, attachment, hatred etc. only happen because the soul is under delusion.
2. This is why āchāryas say:

- “Yāvat mohaniya, tāvat saṃsāra.” As long as mohaniya exists, saṃsāra continues. - And in essence, all bondage is due to delusion.

So to say “kaṅkṣā-mohaniya is sarva se sarva krut” is to stress:

• All karmic problems = result of mohaniya
• All spiritual progress begins when mohaniya weakens (shraddhā becomes right, passions cool down).

4. Same idea in Bhagavatī-sūtra style

Bhagavatī-sūtra and other Āgamas explain:

• The soul is naturally pure (śuddha–jīva).
• But due to wrong belief and passions, it binds karma.
• These wrong belief and passions are nothing but mohaniya and its forms (like kaṅkṣā).

Hence, from the angle of cause, mohaniya is called:

• “mūl” (root)
• “sarva-hetu” (cause of all)
• i.e. sarva se sarva krut.

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If you’d like to read more on Mohaniya karma and its types, you can see a simple explanation here