Why is “abundant ash” both attribute-allusion and talwīḥ?

Taʿrīḍ, Talwīḥ, Ramz, Īmāʾ and Ishārah; the Rhetorical Force of Figurative Speech

• The expression explicitly names generosity
• The address shifts from one addressee to another
• Generosity is intended and reached through multiple intermediate circumstances
• Only the amount of ash is intended