1) Destructive 2) Mist 3) Obliterating 1) Destructive 2) Obliterating 
• (n.) One who obscures; one who prevents enlightenment or hinders the progress of knowledge and wisdom.
Ob·scur'ant noun [ Latin obscurans , present participle of obscurare to obscure.] One who obscures; one who prevents enlightenment or hinders the progress of knowledge and wisdom. Coleridge. 
obscurant 1. Someone who opposes intellectual advancement and political reform. 2. Characterized by opposition to intellectual advancement and political reform. 3. Tending to make obscure: 'We saw an obscurant bank of clouds in the sky.'