Since he had been controlling himself for a long time, when he finally decided to have a release it didn't take long for his body to feel the pleasure and give in, as he painted her secret cave's walls white.
In fact, his special milk went so far into her inner walls, that Hilda could swear she felt it enter her womb at that moment.
If it wasn't for Eric being able to control his special milk production rate, and its efficacy then most probably Hilda would have ended up pregnant with at least triplets.
After Eric had his release he was still holding her up pushed to the tree, as he regained control of himself.
No matter how one looked at it, during climax most of a human's body muscles would experience temporary freedom of relaxation to the maximum.
'Aggh~!'
The moment that happened though Hilda released this painful moan, as her back was scratched by the tree she was being pushed to.