Aim under the opening in the wall where the wall below it starts to come out.

Nade Time till goes off : 2 seconds
Fire fades: 9 seconds after throw

Nade Ranking (stars are rated as 5 is the worst and 0 is the best, so the more stars the more challenge/time/difficulty/risk)

Setup Time: ★★☆☆☆ (approx. 5 seconds)
Practice till Flawless execute: ★☆☆☆☆ (approx. 2-4 attempts till you can hit it regularly)
Cost of Failure: ★★☆☆☆ (Explodes elsewhere, bounces back)
Throw Difficulty: ★☆☆☆☆ (Easy)

Nade Overall Rating: ★Occasional★
|| Occasional- Someone who has utility occasionally but doesn't practice ||