Approach the morph tunnel by chaining temporary blue; then spring ball bounce through the tunnel to break the bomb block. The Kihunters can be killed by retreating to the morph tunnel if needed.

Entrance condition:

{
  "comeInWithTemporaryBlue": {}
}

Requires:

"canChainTemporaryBlue"
"canTrickySpringBallBounce"

Clears obstacles: B, C